CMA Dishmachines CMA-180 VL Owner's Manual download pdf (Page 15)

MODEL CMA-180VL INSTALLATION & OPERATION Rev. 2.00 Page

16

4. Quick service guide

MODEL: CMA 180 VL 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 straight

Door mechanical switch problem

Switch alignment issue

Align switch

Switch button broke

Replace switch,

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,

Faulty contactor

Replace contactor,

Faulty wash pump motor

Replace wash pump motor,

Faulty # 3 micro switch in cam timer

Replace micro switch,

Pump motor runs continuous

Delimer switch is in

DELIME

position

Flip to

NORMAL

position

Faulty contactor

Replace contactor,

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,

Faulty contactor

Replace contactor,

Faulty booster heater element

Replace heating element,

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,

Faulty float switch

Replace float switch,

Faulty contactor

Replace contactor,

Faulty heating element

Replace heating element,

Water regulator not a

djusted 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,

Low incoming water pressure from building

Increase pressure

Water solenoid leaks

Scaled or dirty solenoid valve

Clean valve

Faulty solenoid valve diaphragm

Replace diaphragm,

Thermostat not properly set

Adjust thermostat

Wash water temperature too low/high

Scaled heating element

Clean

scale, delime machine

Faulty temperature gauge

Replace gauge,

Position or proper operation of door switch

Adjust or replace door switch,

Delimer switch is on

OFF

position

Flip to

NORMAL

position

Faulty 1st micro switch in cam timer

Replace micro switch,

Machine does not operate when the

door is closed

Check cam timer motor

Replace timer if needed,

Check ice cube relay

Replace if faulty,

Faulty wash pump contactor

Replace contactor,

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