CMA Dishmachines CMA-180 manual Quick service guide, Solution

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4. Quick service guide

MODEL: CMA 180 HIGH TEMP

 

 

TECHNICAL ISSUE

CAUSE

SOLUTION

Door magnetic reed switch problem

Faulty magnetic reed switch

Check wire connections inside control box

 

 

 

 

 

Contact factory for new retrofit, corner P/N

 

 

00566.10 straight P/N 00566.20

Door mechanical switch problem

Switch alignment issue

Align switch

 

 

 

 

Switch button broke

Replace switch, P/N00562.00

 

 

 

 

Delimer switch is in OFF position

Flip to NORMAL position

 

 

 

 

Loose wire connections

Check and crimp connectors

 

 

 

Pump motor not running

Faulty # 3 micro switch in cam timer

Replace micro switch, P/N 00411.00

 

 

 

 

Faulty contactor

Replace contactor, P/N 00404.85

 

 

 

 

Faulty wash pump motor

Replace wash pump motor, P/N 00201.00

 

 

 

 

Faulty # 3 micro switch in cam timer

Replace micro switch, P/N 00411.00

 

 

 

Pump motor runs continuous

Delimer switch is in DELIME position

Flip to NORMAL position

 

 

 

 

Faulty contactor

Replace contactor, P/N 00404.85

 

 

 

 

Booster heater thermostat not properly set

Adjust thermostat

 

 

 

 

Incoming main water temperature below 140 F

Raise water temperature to 140 F

Final rinse water below 180 degree F

 

 

 

Tripped or faulty high limit switch

Reset or replace high limit switch, P/N 17523.51

 

Faulty contactor

Replace contactor, P/N 13003.17

 

Faulty booster heater element

Replace heating element, P/N 13417.67

 

Scaled heating element

De- scale heating element

 

Thermostat is not properly adjusted

Adjust thermostat

 

 

 

 

Loose lead connection

Check connectors and secure

Wash tank heater is not operational

Tripped or faulty high limit switch

Reset or replace high limit switch, P/N 17523.51

 

 

 

 

Faulty float switch

Replace float switch, P/N 13463.00

 

Faulty contactor

Replace contactor, P/N13003.50

 

Faulty heating element

Replace heating element, P/N 13417.65

 

Water regulator not adjusted properly

Adjust regulator to 18-20 PSI

 

Clogged final rinse spray jets

Clean jets

Low water pressure at the final rinse

Missing final rinse spray end cap

Replace end cap, P/N 00308.17

 

 

 

 

Low incoming water pressure from building

Increase pressure

 

 

Water solenoid leaks

Scaled or dirty solenoid valve

Clean valve

 

 

 

 

Faulty solenoid valve diaphragm

Replace diaphragm, P/N 00706.00

 

Thermostat not properly set

Adjust thermostat

 

 

 

Wash water temperature too low/high

Scaled heating element

Clean scale, delime machine

 

 

 

 

Faulty temperature gauge

Replace gauge, P/N 03202.00

 

Position or proper operation of door switch

Adjust or replace door switch, P/N 00557.55

 

 

 

 

Delimer switch is on OFF position

Flip to NORMAL position

Machine does not operate when the door is

Faulty 1st micro switch in cam timer

Replace micro switch, P/N 00411.00

 

 

 

 

closed

Check cam timer motor

Replace timer if needed, P/N 00409.17

 

Check ice cube relay

Replace if faulty, P/N 00631.05

 

Faulty wash pump contactor

Replace contactor, P/N 00404.85

 

 

MODEL CMA-180 INSTALLATION & OPERATION Rev. 2.03

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Contents Model CMA-180 Table of Contents CMA-180/CMA-180T SpecificationsShipping Weight Introduction to CMA-180 Getting StartedElectrical PlumbingNova Detergent and Rinse Dispenser Wire Colors Circuit Voltage Function Model CMA-180 Installation & Operation Rev Exhaust Fan Control Water Tempering Kit Installation Checklist Machine Start-Up Procedures Electrical Requirements Single Phase Rinse Booster Heater Wash Tank HeaterPhase and 1 Phase Wiring Options Wiring OptionsSolution Quick service guideInitial Parts KIT P/N Auto-Fill Solid State Timer Wire Diagram Wire Diagram for CMA-180 Booster Only