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[A13] [A14] Pump failure
Start
Power terminal has
AC 220-240 V(±10%)
No
Pump power input has
AC 220-240 V
High humidity around
the electric board of the
pump
Dew condensation to
the electric board of the
pump
Locking by a certain
cause
0700 ≤ Duty ≤ 0980
during pump operation
* Service monitor code: CF
Check water
heat exchange
control board
If defective, replace it
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
No
PC board
MCC-1753
MCC-1755
Input appropriate voltage
Resolve the cause
Resolve the cause
Resolve the cause
Replace the pump
132
Restart after resolve the cause
Pump failure occurring
again
Yes
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