Front Loading Utensil Washer Disinfector (WDF)
Operation, Maintenance and Installation Manual
Issue 1
Page
15
20/01/2022
Fault 07
E-Stop
(Power button pressed during cycle)
Cause
Operator stopped cycle by pressing power button terminating operation
Fault 08
Power Interrupted
(Power loss during cycle)
Cause
Blackout or brown out
Faulty isolator
Blown control fuse
Fault 09
Syphon Fault
(Unit syphoning re-attempts attempts exceeded)
Cause
Drain Hose incorrectly installed
Negative pressure on drain hose connection
Fault 11
Detergent System Fault
(Detergent System dosing attempts exceeded)
Cause
Split or blocked suction tube
Split squeeze tube
Failed Rinse Aid Sensor
Fault 12
Detergent Over Dose
(Detergent volume delivered above allowed tolerance)
Cause
Detergent pump run on
Non approved detergent used
Controller error
Fault 13
Rinse Aid System Fault
(Rinse Aid System dosing attempts exceeded)
Cause
Split tor blocked suction tube
Split squeeze tube
Failed Rinse Aid Sensor
Fault 14
Rinse Aid Over Dose
(Rinse Aid volume delivered above allowed tolerance)
Cause
Blocked pump suction
Pump contactor failed
Wash pump failed
Fault 15
Filling Fault
(No water level increase detected during filling stage)
Cause
Water supply not turned on
Blocked inlet filter on water inlet solenoid
Water inlet solenoid failure
Blocked pressure sensing tube
Fault 16
Fill Timeout
(Water fill time exceeded)
Cause
Low incoming water pressure
Level sensor fault
Water syphoning from unit
Fault 17
Flood Protection
(Maximum water level exceeded)
Cause
Pressure sensor fault
Water inlet solenoid failure
Fault 18
Draining Fault
(No reduction in water level while drain pump operating)
Cause
Blocked drain pump inlet/outlet
Air lock in drain pump
Drain pump failed
Drain pump contactor failed
Fault 19
Water Level Low
(Water level dropped below minimum operation level during cycle)
Cause
Water syphoning from unit
Pressure Sensor Fault
Incorrectly loaded, container holding water
