TROUBLESHOOTING (cont’d)
SYMPTOM 3. Flush valve will not close.
Condition/Procedure
Mode Switch is in SERVICE position:
Foreign object prevents the flush valve from closing and the safety circuit locked flush valve in open position:
Check the voltage output to the flush valve motor at pins 9 and 10 on the control module as follows:
Corrective Action
•Return switch to the “Normal” position.
•Reset the control circuit by putting the Mode Switch in the SERVICE position temporarily, then returning to the NORMAL position. If the flush valve did not close, go to next step.
•Pull the control module out as far as the control cables will allow.
•Disconnect either the orange or green wire from the Closed Limit Switch.
•With DC voltmeter test leads across pins 9 and 10, flip the Mode Switch between the SERVICE and NORMAL positions. If voltage is present for about two seconds in the NORMAL position, the flush valve motor or related wiring is defective.
•If voltage is not present, replace the control module.
SYMPTOM 4. Water will not enter toilet bowl during a flush and when the flush handle is raised or the flush switch is pushed to “Add Water”.
Procedure
Check the “WATER VALVE” status light while pushing the "Flush" switch on the control panel:
Corrective Action
•If the “WATER VALVE” status light comes on, the water valve filter screen may be plugged with debris, or the water valve or its related wiring is defective.
•If the “WATER VALVE” status light remains off, replace the control module.
•If voltage is not present, replace the control module.
SYMPTOM 5. Flush valve will not open when Mode Switch is in the “Service” position but opens during a normal flush cycle.
Corrective Action
• Replace control module.
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