Service manual

Troubleshooting Chart
PROBLEM POSSIBLE CAUSES REMEDY (Check/Adjust/Replace)
Drainage
Flooding Drain waste blocked Drain waste
Leaks
Leak from pumps Seal failure Pump seal
Leak from hoses Hose damage Hoses
Hose clamp loose Hose clamps
Splash from door Wash arm end caps missing End caps
Wash jets blocked Wash arm jets
Wash jets missing Wash arm jets
Arms not rotating Arms and bushes
Arms not level Arms
Wash Arms
Not rotating Wash jets not clean Wash jets
Arm bushes worn Bushes
Wash pump not working Wash pump
Rinse Arms
Not rotating Rinse jets not clean Rinse jets
Arm bushes worn Bushes
Water supply pressure low Water supply
Rinse pump not working (if fitted) Rinse pump (if fitted)
Noise
Noisy rinse cycle Rinse pump squeals Low pressure / blocked water supply
Noisy wash cycle Wash pump noisy Wash pump including inlet filter
Performance
Poor wash result Detergent not used Use quality low foam product
Detergent pump faulty Detergent pump
Squeeze tube to be replaced Detergent pump squeeze tube
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
Low wash pressure through arms Wash pump impellor
Wash temperature low Check wash /rinse heating
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
Excessive 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
Service Manual XP-2
13
Revision 1C