Aiwa -09CHSRINV/TP11 Service Manual page 51

3.2.13 P6---Overheating protection on Cooling mode
On Cooling or Dry mode, when ODU condenser coil temperature OPT≥62℃ , MCU will switch off outdoor unit and
show P6 failure code.
P6
Display
ODU fan motor
works normal?
Yes
Sensor loosing
from connector?
Yes
The sensor open
or short circuit?
Yes
Replace OPT sensor
Yes
P6 disappear?
No
Replace ODU PCB
End
Air Conditioner Service Manual
No
Fan motor
broken?
No
Re-connect sensor
No
Yes
Replace fan motor
No
P6 disappear?
P6 disappear?
No
Yes
Yes
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