Chigo CS-25V1A-H1; CS-35V1A-E2; CS-50V9A-S; CS-70V9A-T - 7,Malfunction code: P2 (the outdoor unit transducer module protection faulty)

Fig.14 the indoor PCB
7,Malfunction code：
P2 （the outdoor unit transducer module protection faulty）
Turn off the power
1、whether the compressor’s connecting wiring is
loose
2、check whether the module and radiator are
firm；
N
1、please make the compressor’s
connecting wiring firm。
2、please fixup the IPM and radiator
together
The dynatron Q3 reference value:
be pole :The positive pole resistance：660Ω the negative
pole resistance：961Ω；
bc pole :The positive pole resistance：659Ω the negative
pole resistance :1439Ω
The clamping diode’s parameter:
VD15 The positive pole resistance：389Ωthe negative pole resistance：
392Ω
VD16 The positive pole resistance：497Ωthe negative pole resistance：
1012Ω
The faulty cause：
1 、 the compressor’s connecting
wiring is loose;
2、the IPM module and radiator are
not firm
3、the IPM board has the fault.
4、PFC board hardware issue
5，the com
p
ressor is bad.