9) Symptom:
LCD on the remote controller displays “CHECK P01”. (Indoor fan protection thermostat
operation warning)
N
O
No
No
Yes
Yes
Yes
0340_M_I
S
TART
Is there 220-240 V AC between S4
and T20-3 on the indoor unit PCB?
Is the indoor fan wire winding
protection thermostat (49FI) off?
Replace the indoor fan.
Replace the indoor unit PCB.
37