Outdoor Unit Error Display; For 9K-24K Outdoor Unit - Pioneer CB009GMFILCFHD Service Manual

16.2 Outdoor unit error display

For 9K-24K outdoor unit:

No. Problems
1 standby for normal
2 Operation normally
3 Compressor drive board EEPROM error
4 IPM malfunction or IGBT over-strong current protection
5 Over voltage or too low voltage protection
6 Inverter compressor drive error
7 Inverter compressor drive error
Communication malfunction between main control board
8
and driver board
LED2
(Green)
O
X
O
☆
O
X
☆
☆
84
LED1
IU display
(Red)
X
O
E5
☆
X P0
O P1
P4
☆
O P4
P4
☆