Troubleshooting
71
4-4-3 Water pump & flow switch OFF
• Flow S/W OFF in 30 sec during water pump signal is ON(Starting)
• Flow S/W OFF in 15 sec during water pump signal is ON (After starting)
• 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.
Is it OPEN?
Yes
Check water pump operates properly
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?
Re-start after replacing PBA.
No
Check water flow rate
Is it proper?
Yes
No
Change water flow rate to proper level
Water pump needs to be replaced
No
No
E911
• Water pump ON ( Flow S/W off )
Water flow > 12LPM (AE160MNYD∗∗ )
Water flow > 7LPM (AE090MNYD∗∗)
• Water pump ON ( Flow S/W off ) : NOT enough water flow
Water flow < 12LPM (AE160MNYD∗∗)
Water flow < 7LPM (AE090MNYD∗∗)
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