Malmet WDF-3020, Руководство по эксплуатации, техническому обслуживанию и установке

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Front Loading Utensil Washer Disinfector (WDF)
Operation, Maintenance and Installation Manual
Issue 1 Page 16 20/01/2022
Fault 20 Contactor Fail
(No feedback from contactor when ON)
Cause

Failed contactor

Wiring fault
Fault 21 Heating Fail
(No temperature rise seen during heating stage)
Cause

Over temperature protection device tripped

Blown element
Fault 22 Hot Wash Over Temp
(Control temperature set point tolerance exceeded)
Cause

Element relay fault

Temperature probe fault
Fault 23 Hot Rinse Over Temp
(Control temperature set point tolerance exceeded)
Cause

Element relay fault

Temperature probe fault
Fault 24 Disinfection Over Temp
(Control temperature set point tolerance exceeded)
Cause

Element relay fault

Temperature probe fault
Fault 25 Door Open
(Door detected open during cycle)
Cause

Door lock fault

Door position sensor fault

Door position sensor out of adjustment
Fault 26 Door Lock Fault
(Door unlock detected during cycle)
Cause

Faulty Door Lock Position Sensor

Door lock fault
Fault 27 Machine Contactor Fault
(Contactor state does not change when switched)
Cause

Failed Contactor

Controller Output Failure
Fault 28 Wash Pump High
(High current draw detected)
Cause

Pump impeller jammed

Start capacitor failure

Wash pump mechanical failure
Fault 29 Wash Pump Low
(Low or No current draw detected)
Cause

Start capacitor failure

Motor Failure

Wash pump mechanical failure
Fault 30 Unknown Load
(Load Detected outside or cycle)
Cause

Pump impeller jammed

Start capacitor failure

Wash pump mechanical failure
Fault 31 Cycle Time Exceeded
(Maximum allowable cycle time exceeded)
Cause

Low water pressure

Element leg failure
Fault 32 Disinfection Temp Fault
(Disinfection Temp not held)
Cause

Element Fault

Temp Sensor Fault

Phase dropped
Fault 33 Disinfection Time Fault
(Disinfection holding time not achieved)
Cause

Controller Failure