Washtech GM Operator's Manual - Troubleshooting
9 GM - Operator Manual 141218
Fault
Cause
Remedy
Filling
Not filling
Water supply valve shut
Check Water supply valve
Door Switch not operating
Check Door is closed
Filling during wash cycle Upstand not fitted properly
Check Drain upstand is fitted
Heating
Dishes not hot enough
Rinsing but not hot
Check water arms spinning freely
Cycle start
Does not start
Door switch
Check door is closed
Cycle Finish
Wash too long
Water supply cold
Check water temperature
Performance
Poor wash result
Detergent not used
Use quality low foam product
Overloading racks
Do not overload racks
Not pre-rinsing
Use Fisher pre-rinse
Wash arms not rotating
Remove and clean arms/check
bushes
Wash jets blocked
Remove arms and clean jets
Excessive soiling
Pre-rinse/use long cycle
Unrealistic expectation
E.g. baked on soiling requires
pre-soaking
Poor rinse results
Rinse jets blocked
Remove arms and clean jets
Rinse arms not turning
Remove arms, clean jets, check
bushes
Poor racking procedures
Do not overload racks
Wash tank soil build up
Pre-rinse, change wash water
regularly
Not drying
Poor wash/rinse performance Refer above
Low temperatures
Check heating systems
Drying agent not used
Use quality drying agent/rinse fluid
Foaming Wash
Excessive Rinse Fluid
Adjust Rinse Fluid