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Contents hide

1 UC65e M3 Undercounter High Temperature Dishwashers

3 Product Usage Instructions:

3.7 Timing Chart and Electrical Schematic:

3.7.1 Documents / Resources

3.7.1.1 References

UC65e M3 Undercounter High Temperature Dishwashers

Product Information:

The UC65e M3 is a dishwasher machine manufactured by CMA
Dishmachines. The machine has a model number of UC65e M3 and comes
with an installation operation manual. The machine is made with a
data plate located on the lower front panel that contains vital
information such as the model number, serial number, voltage, Hz,
and phase. This information is required to identify the machine and
answer questions about it. The machine is equipped with safety
symbols to alert the user to important information.

Product Usage Instructions:

Before using the UC65e M3 dishwasher machine, ensure that you
have recorded the model number, serial number, voltage, Hz, and
phase in the box provided for future reference. To register your
machine, connect to the internet and visit
https://cmadishmachines.com/warranty-registration/. The machine is
equipped with safety symbols that indicate important information,
including warnings and cautions to prevent personal injury or
damage to the machine or associated equipment.

Installation:

Refer to page 1 of the installation manual for instructions on
how to install the UC65e M3 dishwasher machine.

Operation:

Refer to page 12 of the installation manual for instructions on
how to operate the UC65e M3 dishwasher machine. The manual includes
information on cleaning, deliming, and maintenance schedules.

Cleaning:

To clean the wash and rinse spray arms, scrap screens, and
exterior of the machine, refer to page 17 of the installation
manual.

Deliming:

To remove lime buildup from the machine, refer to page 18 of the
installation manual.

Maintenance:

Refer to page 19 of the installation manual for maintenance
schedules.

Troubleshooting:

Refer to page 20 of the installation manual for the
troubleshooting chart.

Timing Chart and Electrical Schematic:

Refer to page 21 and 22 of the installation manual for timing
chart and electrical schematic information.

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MODEL UC65e M3
Installation Operation Manual
Rev 1.00 11-01-22
CMA DISHMACHINES 12700 KNOTT AVENUE
GARDEN GROVE, CALIFORNIA 92841
8 0 0 -8 5 4 -6 4 1 7
FAX 714-895-2141
www.cmadishmachines.com Buy Parts

PRODU CT REGI ST RAT I ON ONLINE
Connect to the internet and enter the URL below to register your machine.

Warranty Registration

For future reference, record your dishwasher information in the box below.
Model Number__________________________ Serial Number_______________________ Voltage________________Hertz_____________ Phase__________________ Service Agent __________________________________ Tel:______________________ Parts Distributor _________________________________ Tel:______________________

National Service Department

CMA Dishmachines

12700 Knott Avenue

Garden Grove, CA 92841

Toll-free: 1 (800) 854-6417

Fax:

1 (714) 895-2141

ATTENTION:
The model no., serial no., voltage, Hz and phase are needed to identify your
machine and to answer questions.
The machine data plate is located on the lower front panel.
Please have this information ready if you call for service assistance.

Table of Contents

Installation ……………………………………………………………………………………………………………………..1
Receiving and Placement …………………………………………………………………………………………………….1 Installation Codes ………………………………………………………………………………………………………………….2 Water Connection ………………………………………………………………………………………………………………..3 Drain Connection …………………………………………………………………………………………………………………4 Electrical Connection ……………………………………………………………………………………………………………6 Detergent Set-up……………………………………………………………………………………………………………………8 Rinse-Aid Set-up…………………………………………………………………………………………………………………..10
Operation ……………………………………………………………………………………………………………………..12
Control Panel Description ………………………………………………………………………………………………….12 Loading Wares …………………………………………………………………………………………………………………….13 Operation Display ……………………………………………………………………………………………………………..14 Wash Cycle ………………………………………………………………………………………………………………………….15 Rinse Sentry, Auto-Clean, and Drain Mode ………………………………………………………………..16
Cleaning ………………………………………………………………………………………………………………………..17
Wash and Rinse Spray Arms, Scrap Screens, Exterior …………………………………………….17 Deliming ………………………………………………………………………………………………………………………………..18
Maintenance ………………………………………………………………………………………………………………….19
Schedules ………………………………………………………………………………………………………………………………19 Troubleshooting Chart ………………………………………………………………………………………………………..20
Timing Chart and Electrical Schematic ……………………………………………………………………21
Timing Chart …………………………………………………………………………………………………………………………21 Electrical Schematic ……………………………………………………………………………………………………………22

Safety Symbols
Safety Symbols
The following symbols are used throughout this manual to alert the reader to important information.
WARNING: Warnning statements indicate a condition or practice that can result in personal injury or possible death.
CAUTION: Caution statements indicate a condition or practice that can result in damage to the machine or associated equipment.
DO NOT: operation of the machine.
OKAY: Okay statements indicate that a condition or practice is correct and should be followed.
NOTE: Note statements highlight important information necessary for the operation of the machine.

Receiving/Placement/Installation Codes

Receiving

1. Inspect the outside of the dishwasher carton for signs of damage.
2. Remove the carton and inspect the dishwasher for damage.
3. Check for any options or accessories that may have shipped with your dishwasher.
4. Register by fax using the form at the front of this manual or online at: https://cmadishmachines.com/warranty-registration/

CAUTION: Be careful when lifting and moving the machine to avoid damage.

Placement

1. Compare the installation site utility connections with the dishwasher utility connections and make sure they are the same.

2. Level the machine using the four leveling feet. Level side-to-side and front-to-back.

3. Plumbing connections must be made before the electrical installation begins.

4. The dishwasher can be installed as a free-standing unit or under a counter-top. The typical counter-top height in most locations is 34″ [86cm].

5. It is highly recommended that the underside of the counter-top be clad in metal.

6. Under counter installations should provide storage space for the dishwasher chemical supply containers. Do not elevate the containers above the finished floor.

7. Chemical supply containers should be placed as close to the machine as possible.

8. The chemical tubing taped to the back of the machine must be repositioned before permanently placing the machine.

9. Place the dishwasher in its permanent location.

10. Remove the lower front panel in preparation for

LEVEL

utility installations.

LEVEL

Fig. 1 Do not elevate chemical containers

psi

LEVEL ADJUSTMENT

Fig. 2 Level the machine.
1

Installation
Installation Codes
The installation of the dishwasher must comply with all local electrical, plumbing, health, and safety codes or in the absence of local codes, installed in accordance with the applicable requirements in the National Electrical Code, NFPA 70, Canadian Electrical Code (CEC), Part 1, CSA C22.1; and the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, NFPA 96.
NOTE: The installation of your dishwasher must be performed by qualified service personnel familiar with food service equipment and must comply with all local health codes. Problems due to improper installation are not covered by the Limited Warranty.

STOP

ALL PLUMBING CONNECTIONS MUST BE MADE

BEFORE THE ELECTRICAL INSTALLATION.

DAMAGE TO THE WATER HEATERS WILL OCCUR IF POWER IS TURNED ON WITHOUT AN

ADEQUATE WATER SUPPLY.

DAMAGE DUE TO IMPROPER INSTALLATION IS NOT COVERED BY THE LIMITED WARRANTY.

Water Connection

Installation

HOT WATER

Connect the plumbing in accordance with the specifications below. MINIMUM 1/2″ NPT OR LARGER HOT WATER SUPPLY LINE.

CAUTION: To prevent damage to the dishwasher supply valves, the installing plumber must thoroughly flush debris from the water supply line before connecting it to the dishwasher. Damage caused by improper installation is not covered by the limited warranty.
NOTE: All plumbing connections MUST BE POSITIONED to allow the machine to be moved for service and cleaning.

BOOSTER BOOSTER MINIMUM INCOMING

RISE °F

TEMPERATURE

40 °
RISE

4kW

140°F/ 60°C

70 °
RISE

6kW

110°F/ 43°C

MIMIMUM INCOMING SUPPLY FLOWING PRESSURE
45 PSI/310 kPa
45 PSI/310 kPa

MIMIMUM/MAXIMUM OPERATING FLOWING PRESSURE
20-22 PSI 138-152 kPa
20-22 PSI 138-152 kPa

WATER HARDNESS OF 3 GRAINS/US GAL – 0.83 IMP GAL – 5.3mg/L OR LESS.
THE DISHWASHER IS EQUIPPED WITH A 6 FT / 1.8 m FLEXIBLE FILL HOSE WITH A 3/4″ FNPT FITTING.

THE PRV SHIPPED INSIDE THE DISHWASHER MUST BE INSTALLED IN THE INCOMING WATER LINE AFTER THE SERVICE SHUT-OFF VALVE.
THE PRV MUST BE ADJUSTED TO PROVIDE 20-22 PSI FLOWING PRESSURE MEASURED AT THE DISHWASHER.

INSTALL A 1/2″ OR LARGER SHUT-OFF VALVE IN THE WATER SUPPLY LINE AS CLOSE TO THE DISHWASHER AS POSSIBLE FOR SERVICING.

Continued on the next page. 3

Installation

Drain Connection

DRAIN

Connect the drain in accordance with the specifications below.

CAUTION: The dishwasher drain connection must comply with all local plumbing, health and safety codes. Damage caused by improper installation is not covered by the limited warranty
THE DISHWASHER IS EQUIPPED WITH A 4FT / 1.2 m CLEAR BRAIDED DRAIN HOSE AND A 3/4″ MNPT x 5/8″ HOSE BARB ADAPTER.
CONNECT THE DRAIN HOSE TO A 1-1/2″ WYE FITTING.
THE DRAIN HOSE MUST BE VENTED TO PREVENT SIPHONING.
DRAIN CONNECTION WITH A DEDICATED WASTE LINE IS STRONGLY RECOMMENDED.

STOP STOP

THE LIMITED WARRANTY IS VOID IF:
· an extension is added to the drain hose · the syphon loop is modified or removed · the supplied drain hose fitting is not used

Drain Connection

psi

Installation

DRAIN MUST BE VENTED TO PREVENT SYPHONING

*18IN.
OPTIMUM

DRAIN HOSE 3/4 IN. MNPT HOSE ADAPTER
1-1/2 IN. WYE FITTING

*3FT. MAX OFF
FLOOR LEVEL
Fig. 3 Configuring the drain line.

DO NOT REPOSITION THE DRAIN HOSE
DO NOT ADD AN EXTENSION TO THE DRAIN HOSE

Fig. 4 Do not void the limited warranty.
5

Installation
INSTALLATION CODES
The installation of the dishwasher must comply with all local electrical, plumbing, health and safety codes or in the absence of local codes, installed in accordance with the applicable requirements in the National Electrical Code, NFPA 70, Canadian Electrical Code (CEC), Part 1, CSA C22.1; and the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, NFPA 96.
RECEIVING
· Inspect the shipping carton damage and report immediately. · Inspect the shipment for accessories and items shipped with the machine. · Compare the installation site utilities to ensure they are the correct size and location.
CAUTION: Be careful when moving the dishwasher to prevent damage.

PLACEMENT

1. The dishwasher can be installed as a free-standing unit or under a counter-top. The typical counter-top height in most locations is 34″ [86cm].

2. It is highly recommended that the underside of the counter-top be clad in metal.

3. Under counter installations should provide storage space for the dishwasher chemical supply containers. Do not elevate the containers above the finished floor.

4. Chemical supply containers should be placed as close to the machine as possible and the chemical tubing taped to the back of the machine should be repositioned before permanently placing the machine.

5. Place the dishwasher in its permanent location.

6. The dishwasher has 4 adjustable feet for leveling.

7. Level the dishwasher front-to-back and side-to-side.

Wall

Counter-top

34″ [86cm] Min.

Floor

3″ [8cm] Min.
Fig. 1

Installation
Electrical Connection
WARNING: Electrocution may occur when working on energized circuits. Disconnect power at the main breaker or service disconnect switch, then lock out and tag it to indicate that work is being performed on the circuit.

CAUTION: Electrical connections must be made AFTER the plumbing installation. Damage to the water heaters will occur if the power is turned on without an adequate water supply.

Follow the instructions below and on the next page to connect power to the machine.

psi

DATA PLATE

CHECK THE ELECTRICAL SPECIFICATIONS ON MACHINE DATA PLATE.
REFER TO THE BREAKER SIZE TABLE BELOW AND ENSURE THE BUILDING BREAKER SIZE MATCHES.
REMOVE DISHWASHER LOWER FRONT PANEL TO ACCESS INTERNAL COMPONENTS FOR INSTALLATION.

FRONT PANEL SCREW LOCATION

Fig. 5

383HT 40 °F/22 °C Rise Electric Booster (4kW)

383HT 70 °F/39 °C Rise Electric Booster (6kW)

Rated Ele c. Spec s Amp s

M inimum Suppl y Circui t
Amp acit y

M aximu m Ov ercurre nt Protecti ve
De vice
(Breaker Size)

Rate d E lec. Sp ecs Amp s

Minimu m
Suppl y
Circui t Ampacit y

Maximu m Ov ercurre nt
Protectiv e De vice
(Breaker Size)

208/60/1 22

208/60/1 29

240/60/1 24

240/60/1 31

Table – 1 Breaker (Service Disconnect Switch) Size

Electrical Connection (continued)
2

TERMINAL

ENCLOSURE

Installation

REMOVE THE LEFT SCREW ON THE FRONT LIP OF THE TERMINAL BOX.

LIFT AND REMOVE THE COVER TO ACCESS THE TERMINAL BLOCK.

Fig. 6

3
GROUND LUG

A B

STRAIN-RELIEF KNOCKOUT

STOP STOP

A 30″ / 76 cm SERVICE LOOP MUST BE PROVIDED BEHIND THE UNIT FOR SERVICING.

Fig. 7

THREAD THE POWER CABLE THROUGH THE MIDDLE

SLOT IN THE REAR PANEL.

SECURE THE CABLE TO THE TERMINAL BOX USING THE

PROPER STRAIN RELIEF.

L1 L2

208/240V

115V

L1 L2

115V
NEUTRAL

Fig. 8

CONNECT THE INCOMING POWER AS SHOWN IN FIG. 8.
208-240V / 60Hz / 1 Ø 115V SPLIT CONNECTION
SINGLE PHASE – THREE WIRE PLUS GROUND WHICH INCLUDES A CURRENT CARRYING NEUTRAL WIRE RATED MIN 190 °F (88 °C).
8

Initial Start-up
Chemical Dispensing Pumps
! ATTENTION ! Contact a local chemical supplier for detergent and rinse-aid chemicals. The detergent
should be a non-chlorinated liquid detergent. The chemical dispensing pumps are adjusted by the chemical supplier.
1. The dishwasher is equipped with a built-in detergent dispensing pump and rinse-aid dispensing pump. (See the photographs below.)
2. The pumps are located on the lower panel behind the lower-front access panel. 3. Each pump is equipped with 6 feet [1.8 m] of pick-up supply tubing, a stiffener tube, and a
strainer. 4. A red label marked DETERGENT is attached to the detergent pump inlet tubing. 5. A blue label marked RINSE-AID is attached to the rinse-aid pump inlet tubing. 6.
wash compartment. 7. The detergent supply should be a non-chlorinated liquid detergent.
Detergent Pump

Rinse-aid Pump
The dispensing pumps are located behind the front panel.

A stiffener tube, strainer and pick-up tubing are supplied with the built-in
detergent and rinse-aid pumps.
9

Parameter Setting Instructions

PARAMETER SETTINGS INSTRUCTIONS

0514058 REV A -30-MAR-2021

! CAUTION: Parameter changes must be made by qualified personnel only.

wait

(LCD SCREEN)
WASH TEMPERATURE ADJUSTMENT
152
PRESS BUTTON TO CYCLE THROUGH AVAILABLE VALUES

in cycle

Locate control board shown below:
Open door.

The following parameters may be changed depending on model:
1. DETERGENT CONCENTRATION 2. RINSE TEMP 3. WASH TEMP 4. FILL TIME 5. UNITS (F-C) 6. LANGUAGE (English – French)

Displace control
! panel safely and
securely. DO NOT PULL.

Unscrew two fasteners after opening door.
BOARD SETTINGS ARE ACCESSED FROM REAR OF CONTROL PANEL.

Viewed from the back of the machine (Back of the board shown below)
PARAMETER SETTINGS (continued)

SKIP advances to the next portion
of a cycle.

Change Parameters.

(PARAMETER BUTTONS ON BOARD)

Skip

Select

Menu Button push and hold for menu, then scroll
parameter.

To Change Parameters: 1. Push and Hold the “Menu” button.
3. Push menu button to scroll through until desired parameter is reached. 4. Push “CHANGE” button until desired setting is reached. 5. Release and control will return to normal operation (approximately 3 seconds).
10

Installation
Prime the Detergent and Rinse Additive Pumps
1. Place each chemical pick-up tubes in a full container of detergent and rinse additive.
2. Push the dishwasher power switch ON. The dishwasher will automatically fill with water.
3. Press and hold the PRIME SWITCH for detergent and then rinse additive for 30-60 seconds.
4. Wait twenty minutes or until the temperature display indicates a minimum of 150°F/66°C.
Fig.15
11

Operation
Control Panel Description

UC65e

Fig.10
B

A – ON-OFF/Drain power switch tur turned on and the automatic drain cycle when tur

B – LCD screen displays machine status: including temperatures, operation, heating and autoclean functions such as, wait, and in-cycle. TEMPERATURE DISPLAY indicates water temperature and displays operation codes for the operator. The minimum wash water temperature is 150°F/66°C. The minimum/maximum final rinse temperature is 180-195°F/ 82-91°C. WAIT INDICATOR light illuminates during the initial fill and as the booster heats to the minimum 180°F/82°C. The indicator light goes out when 180°F/82°C is achieved.

C – CHEMICAL PRIME SWITCH when pressed, runs the detergent dispensing pump or rinse-aid pump to prime the pick-up hose during initial set-up and whenever the detergent supply container is changed.

D – START PUSH BUTTON Pressing the START button initiates an automatic timed cycle and illuminates the IN CYCLE light.
E – PRESSURE GAUGE indicates the final rinse water flowing pressure during the initial fill and the automatic final rinse cycle. The proper pressure reading is 20-22 PSI. The pressure gauge is located on the left side of the lower front panel.

PSI

PRESSURE 20-22 PSI
Fig. 18

Operation – Loading Wares

Operation

1 REMOVE LARGE FOOD PARTICLES AND DEBRIS BEFORE LOADING WARES.

LOAD PLATES IN A PEG RACK. BOWLS AND GLASSES IN A FLAT-BOTTOM RACK.
2 LOAD SILVERWARE IN A SINGLE LAYER IN A FLAT-BOTTOM RACK.
LOAD POTS, PANS, AND UTENSILS UPSIDE DOWN IN A FLAT-BOTTOM RACK.

3 DO NOT OVERLOAD RACK AND ONLY WASH ONE RACK AT A TIME. 4 NEVER WASH FOREIGN OBJECTS SUCH AS DISH RAGS OR MOPS.

CAUTION: Ferrous metals in the form of metal scrub pads must not be used to clean wares or dishwasher surfaces. Avoid putting any type of ferrous* metal in the machine. (*ferrous metals rust.)

Fig. 19

Operation

OPERATIONAL DISPLAY The screen displays the operational status of the machine throughout the cycle.

· Start-up Sequence

1. When power switch is turned ON, system information screen will show briefly.
2. This shows firmware version, parameter settings, and cycle counts.

1. Machine is filling. 2. Wait light is illuminated. 3. Progress bar shows fill time
remaining.

1. Red thermometer indicator shows booster tank is heating.
2. Wait light remains illuminated. 3 Wait light indicates cycle is
pending. 4. Progress bar shows remaining
heat time.
1. Booster heater has achieved temperature
2. Blue thermometer bar shows the wash tank heat is active.
3. Wait light is out and READY shows a cycle may begin.
1. Ready indicates the machine will wash.
2. 155 °F indicates the wash tank temperture.

Operational Display (continued) WASH CYCLE

Operation
WASH 1. The status indicator
shows cycle progress. 2. In-cycle light is
illuminated.
DRAIN 1. When the wash
cycle is complete the machine will drain all of the water and refill with fresh hot water.
RINSE 1. Display changes to
red and indicates rinse temp.

Operation
Operation – Rinse Sentry, Auto-Clean, Drain Mode RINSE SENTRY

AUTOCLEAN DRAIN

1. When machine is turned o

reen with the status indicator is shown.

2. This takes approximately 2-1/2 minutes.
3. When complete, open door to allow machine interior to air dry. 16

Cleaning
Cleaning
Clean the machine at the end of each meal period, every 2 hours of continuous operation, and at the end of the day.
CAUTION: Dishwasher surfaces may be hot. Cleaning chemicals may be caustic to the skin and eyes. Wear protective clothing and eye protection when handling chemicals and cleaning the machine.

STOP STOP

NEVER USE A METALLIC SCRUB PAD TO CLEAN THE DISHWASHER. USE A SOFT CLOTH AND MILD DETERGENT.
NEVER SPRAY THE EXTERIOR OF THE MACHINE WITH WATER. USE A SOFT CLOTH AND MILD DETERGENT.

1. Push the power button OFF, the light will go out. 2. The machine will enter the Auto-clean mode and then drain. 3. Remove the upper and lower wash and rinse spray arms. Flush with clean water in a sink. 4. Refer to Fig.18 below. Check the rinse spray arm nozzles. If necessary, remove the end
plugs and clean the nozzles with a small paper clip to remove debris. Flush the arms thoroughly and replace the end plugs. 5. Remove the scrap screen making sure debris does not fall out of the screen and into the wash tank. Flush and back flush the screen in a sink. 6. Wipe the sump clean with a soft cloth and clean the sump strainer. 7. Wipe the exterior of the machine with a soft cloth and mild detergent. 8. Reassemble the machine and leave the door open to aid overnight drying.

Rinse Spray arm

Paper Clip

End Plug

Wash Spray arm
Fig. 20
17

Cleaning
Cleaning – Deliming
WARNING: Death or serious injury may result when deliming solution is mixed with sodium hypochlorite (chlorine bleach) sanitizing agent. Mixing may cause hazardous gases to form. Deliming solution and other acids must never be mixed with chlorine, iodine, bromine, or fluorine.
Deliming solutions can cause severe irritation and possible chemical burns. Always wear protective clothing and goggles when handling chemicals.
Follow the steps below to delime the dishwasher.
1. Open the dishwasher door and remove the dish rack. 2. Remove the detergent and rinse-aid chemical supply tubing from their chemical supply
containers. 3. Place the pick-up tubes in a container of hot water. 4. Push the dishwasher power switch to the ON position. The dishwasher will fill with water. 5. Press and hold the detergent prime switch UP to flush the detergent from the supply tubing.
Release the switch. 6. Turn the dishwasher power switch to OFF/DRAIN to drain the wash tank. The WASH
indicator light will go out in about 2 minutes. 7. Always wear eye protection, rubber gloves and protective clothing when handling
chemicals. 8. Open the door and carefully add the deliming chemical to the wash tank in accordance
with your chemical supplier’s instructions. Be careful to avoid splashing. 9. Close the door. 10. Press the power switch to the ON position. The machine will fill with water. 11. Press and hold the Start button for one second to initiate an automatic cycle. 12. When the cycle has ended, open the door and check the deliming results. Clean the rinse
arm jets with a paper clip to ensure they are clear. Repeat steps 6-11 if necessary. Push the power switch to OFF/Drain to drain the machine. 13. Push the power switch ON to refill the machine. Place an empty dish rack in the machine. 14. Run 4 empty cycles to ensure all deliming chemicals are flushed from the machine. 15. Return chemical supply tubing to their containers and prime the chemical lines. 16. Deliming is complete.
18

Maintenance – Schedules

Daily Maintenance

Check all of the wash arm and rinse arm spray jets and clean as necessary.

Make sure the water supply is on and the drain is not clogged.

Check the temperature display and ensure it is operating.

Make sure the dish racks are in good condition.

Check the chemical containers and refill as required.

Follow the cleaning procedures on pg.15.

Maintenance

Weekly Maintenance

Perform Steps 1-6 in the Daily Maintenance.

Inspect water lines for leaks.

Check for water leaks underneath the dishwasher.

Make sure the floor drain and/or drain lines are unobstructed.

Make sure the dishwasher is level.

Clean accumulated lime deposits from the wash tank heating element.

Inspect the scrap screen and replace if damaged.

Check the spray arms and replace or repair if damaged.

Semi-Annual Maintenance

Inspect the chemical dispensing pump tubing for cuts, kinks or bends and replace if

necessary.

2. Place an empty dish rack inside the dishwasher. Remove the pick-up tubes from the chemical containers. Place the tubes in a container of hot water and run the dishwasher for twenty cycles to thoroughly flush the lines. Check the lines to ensure they are unobstructed.

3. Disassemble the detergent pump and replace the squeeze tube. Reassemble.

4. Return the pick-up tubes into full chemical containers and return the machine to service.

Yearly Maintenance Contact your authorized service agent for a preventive maintenance inspection.
Lubrication There are no lubrication points for this dishwasher.

Maintenance
Maintenance – Troubleshooting Chart

Condition
Dishwasher will not run.
Low or no water. Temperature display indicates “LP”
Chemicals won’t feed into dishwasher.
Low water pressure pumped from wash spray arms.

Cause
Door not closed. Main power OFF. Dishwasher OFF. Main water supply off. Fill hose kinked. Low incoming water pressure
Solenoid valve defective. Solenoid strainer clogged.
Chemical supply low. Supply tubing damaged. Supply tubing kinked. Pick-up tube clogged Squeeze tube or diaphragm bad.
Clogged scrap screen. Clogged spray arms.
Clogged pump intake screen.

Poor wash results.

Excessively hard water. Water temperature low.
Thermistor defective. (See chemicals won’t feed above.) (See low or no water above.) Chemical injector defective.

Wares incorrectly loaded. in dishrack.
Booster high limit tripped. Wash tank high limit tripped.
Rinse jets clogged

Water has drained out of the wash tank while the dishwasher was idle.
WAIT light is on for an extended period of time. Dishwasher stays in wash cycle for an extended period of time..

Anti-siphon loop in drain hose has been removed. Drain hose clamp is not holding the drain hose in proper position. Building plumbing does not provide correct air vent to prevent siphoning.
Incoming water supply cold
Rinse Sentry extends wash mode for a maximum time of 5-minutes to allow final rinse water booster

Solution
Close door completely. Check breaker on panel. Turn dishwasher power switch ON.
Open supply valve. Straighten fill hose. Check for kinked or damaged lines. Set flowing water pressure to 20-22 PSI. Install repair kit or replace. Clean strainer.
Refill chemical container. Replace tubing. Straighten tubing. Clean/replace tube. Replace defective components.
Clean scrap screen. Clean spray arms.
Inspect sump and clean pump intake screen.
Contact chemical supplier. Raise incoming water temperature to 140°F Replace thermistor. (See chemicals won’t feed above.) (See low or no water above.) Replace squeeze tube. Replace injector motor. Clean tubing and pick-up.
Reposition wares or reduce amount of wares in dish racks.
Reset or replace high limit.
Reset or replace high limit.
Delime the rinse arms and clean the rinse jets with paper clip.
Re-route drain hose. DO NOT STRETCH HOSE Replace/adjust hose clamp making sure goose-neck is maintained. Contact service Agent and/or plumber.
Raise incoming water temperature.
Replace final rinse booster thermistor.

Timing Chart 21

SINGLE PHASE

UC65e M3