SERVICES

Service / Trouble Shooting

For 24 Hour Services 7 Days a week please call 02 9979-7755
or use the tables below to help with any small problem you may
have encounted.

TROUBLE SHOOTING

GLASSWASHERS

COMPLAINT	POSSIBLE CAUSE
No power to machine after turn on	Fuse or circuit breaker open circuited Power lead faulty
Wash/rinse cycle will not commence. (After ready light is illuminated)	Door open Door micro switch faulty Timer faulty
Ready light will not illuminate	Rinse ready thermostat setting too high Element thermostat setting too low
Glasses not washed satisfactorily	Spinner arms blocked Detergent bottle empty Incorrect detergent Detergent valve faulty

UNDER BENCH DISHWASHERS

COMPLAINT	POSSIBLE CAUSE
No power to machine after turn on.	Fuse or circuit breaker open circuited Power lead faulty
Rinse ready light will not illuminate	Not enough time allowed for heat up Rinse ready thermostat setting too high Boiler Element thermostat setting too low
Machine will not fill with water after ready light illuminates	Stop cock closed Solenoid valve faulty Pressure switch faulty Door open / Door micro switch faulty R2 relay faulty
Cycle can not be started after ready lights have illuminated. (No washing noises)	Drain switch on Timer faulty Wash pump faulty
Machine continues to wash or rinse (Cycle light remains on longer than 2 mins)	Timer faulty
Machine will not drain	Drain switch turned off Overflow stem pipe still in position Drain switch faulty Drain hose blocked with food scraps Drain pump not operative Timer faulty
Water overflows from rear of machine	High level pressure switch not operating Drain pump not operating Drain hose blocked Solenoid valve leaking
Articles not washed satisfactorily	Spinner arms blocked Pump inlet strainer blocked Incorrect detergent or too much detergent
Articles not rinsed satisfactorily	Spinner arms not rotating freely Hose strainer blocked Solenoid valve faulty Low water pressure

UPRIGHT DISHWASHERS

FAULT	POSSIBLE CAUSE
No power to machine after turn on.	Fuse or circuit breaker open circuited Power lead faulty Rotary selector switch faulty
Rinse ready light will not illuminate	Not enough time allowed for heat up Rinse ready thermostat setting too high Boiler Element thermostat setting too low
Wash ready light will not illuminate Pressure switch faulty R2 relay faulty	Not enough time allowed for heat up Wash ready thermostat setting too high Wash tank element thermostat setting too low
Machine will not fill	Stop cock closed Float valve faulty Timer faulty Hood open / Hood micro switch faulty Rotary selector switch faulty Rinse pump faulty
Cycle can not be started after ready lights have illuminated. (No washing noises) Rotary Selector switch faulty	Timer faulty Wash pump faulty Hood open / Hood micro switch faulty
Machine continues to wash or rinse (Cycle light remains on longer than 90 secs)	Timer faulty
Machine will not drain	Blockage in S trap or associated piping
Articles not washed satisfactory	Spinner arms blocked Pump inlet strainer blocked Incorrect detergent or too much detergent
Articles not rinsed satisfactory	Spinner arms not rotating freely Float valve faulty Timer or rinse pump faulty

Johnston's is continually developing its products and reserves the
right to alter specifications. This site is continually upgraded.