COMFORT-AIRE B-SVH24SA-1 Service Manual page 32

After power on, LED3 (Green color) and LED2 (Red color) will be flash if the unit has some
problems.
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 EEPROM parameter error
6 Inverter compressor drive error
7 Inverter compressor drive error
8 Inverter compressor drive error
O（light） X（off）
Service Manual - SVH 09/12/18/24 Series
LED3
(Green)
O
X
☆
O
O
X
☆
☆
☆（2.5Hz flash）
32
LED2
IU display
(Red)
X
O
X P0
O P1
E5
☆
P4
☆
O P4
P4
☆