Troubleshooting
72
4-4-4 Water pump & flow switch ON
• Flow S/W ON in 10minutes during water pump signal is OFF.
• Refer to how to determine below
Wired remocon display
Criteria
Cause of problem
No
Re-start after put the connetor in the PBA.
Yes
1. How to check
Flow S/W needs to be replaced.
Yes
Is it short?
No
Measure status of PBA is OPEN or SHORT?
Does flow S/W connector
come out of the PBA?
Yes
After putting out the connector(F/S)
from the PBA Measure its status is
OPEN or SHORT?
No
Is it short?
Yes
• Water pump OFF (Flow S/W on)
E912
No
Yes
Yes
Does the water flow?
PBA needs to be replaced
Does any extra
water pump installed?
Yes
Check the extra pump
No
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