4. Service procedures

10) Symptom: LCD on the remote controller displays “CHECK P02”.

(Compressor / outdoor fan protection thermostat operation warning / power supply voltage abnormality)

Start

Section

1

2

3

Is the power supply to the outdoor unit normal?

(Voltage / defective phase?)

Yes

Is the fuse on the outdoor unit PCB blown (F1 and F2)?

No

Is the high voltage switch (63 PH) off?

No

Is there 230-208 V AC between CN19-9 and CN19-1 on the outdoor unit PCB?

No

No

Yes

Yes

Yes

Check the power breaker etc. and repair.

Replace the fuse.

Replace the outdoor unit PCB.

Replace the outdoor unit PCB.

Is the outdoor fan wire winding

No

protection thermostat (49FO) off?

Yes

4

 

 

No

 

Replace the outdoor fan.

Is the compressor protection

 

 

 

thermostat (49C) off except 48 type?

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

No refrigerant

High load

4-way valve defect

Clogged refrigerant circuit

Electronic refrigerant control valve defect (indoor unit)

Yes

Is there connector contact defect?

 

Correct the connection

 

No

Replace the outdoor unit PCB.

1147_THS_I

SM830076

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Sanyo CH2432, XHS3632, XHS2432, CH3632 service manual Is there connector contact defect? Correct the connection

XHS3632, XHS2432, CH3632, CH2432 specifications

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