Global-Tek GT-CR1/BU Instruction & Installation Manual page 14

Global-Tek (Singapore) Pte Ltd
No or Slow Fill
No Booster Heat or low
water temperature
Overheat temperature in
booster
1.Dirty line strainer (not included in the machine) causing
reduced water flow. Turn off water supply, remove strainer cap,
withdraw and clean screen. Reassemble.
1. Make sure doors are closed.
2. Check interlock switch.
3. Check both upper and lower fill floats for debris and free
movement.
4. Problem with solenoid valve.
1. Check the thermostat and temperature probe.
2. Check Hi-Limit protector.
3. Circuit breaker to heat system tripped.
4. Is contactor closed or coil damaged?
5. Heater failure
6. Check the water pressure regulator and water pressure.
1. Low water pressure.
2. Loss of water pressure due to pump filter in pump inlet pipe
and output pipe.
3. Clogged rinse nozzles.
4. Check the solid-state thermostat and probe.
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