Outdoor Unit Error Display - Pioneer WYC009AMFI20 Service Manual

9.2 Outdoor unit error display

No. Problems
1 standby for normal
2 Operation normally
3 IPM malfunction or IGBT over-strong current protection
4 Over voltage or too low voltage protection
5 Over voltage or too low voltage protection
6 Inverter compressor drive error
7 Inverter compressor drive error
8 Inverter compressor drive error
LED2
(Green)
O
X
☆
O
O
X
☆
☆
28
LED1
IU display
(Red)
X
O
X P0
O P1
P1
☆
P4
☆
O P4
P4
☆