Owner`s manual

Maintenance
MODEL GLC/GW-100 SERVICE & PARTS MANUAL Rev. 1.02 Page8
5. Troubleshooting
PROBLEM LIKELY CAUSE SOLUTION
The soap tank water
temperature low
Thermostat malfunction
Replace
Thermostat set too low
Turn thermostat up
Bad heater Replace
Float switch malfunction
Remove and replace
Water supplied to machine low
Must provide 140°F
Low or no pressure in
rinse spray arms
Rinse spray arms dirty Clean spray arms with cleaning
drill and brush provided
Shut-off valve on supply line may
be closed
Open valve
Spray arm pressure low Minimum 20-100PSI flow pressure
required
No rinse arm water Rinse solenoid valve non-
operational
Check coil
Check and install rebuild kit
Replace if necessary
Solenoid valve strainer or
restrictor disc plugged
Remove screen and clean- replace
or clean flow restrictor
Product containers filling
with water
Plugged rinse arms Clean
Worn flow restrictor in solenoid
valve
Replace
No chemical being
dispensed
Empty product in containers Refill containers
Chemical lines plugged
Flush lines with hot water and
condition of chemical
Strainer on pick-up tube plugged
Clean with hot water
Circuit board setting too low
Increase by turning clockwise
while machine is running/filling
No power to pump
Check LED signal, all electrical
connections
Pump motor or circuit board
defective
Replace pump motor or circuit
board
Soap tank continues to fill
with water with power off
Leaking solenoid valve
diaphragm.
Inspect and clean seat
Replace diaphragm kit
Install new valve