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Section
IV - 13
SM830082
4. Service procedures
9) Symptom: LCD on the remote controller displays “CHECK P01”. (Indoor fan protection
thermostat operation warning)
No
No
Yes
Yes
Yes
2098_THS_I
Start
Is there 230-208 V AC between T20-1
and T20-3 on the indoor unit PCB?
Is the indoor fan wire winding
protection thermostat (49FI) off?
Replace the indoor fan.
Correct the connection
Replace the indoor unit PCB.