32808001101 25
Specifications subject to change without notice.
PCB DIAGRAMS (CONT)
Fig. 29 - Sizes 18k−24k (208−230V)
NOTE: After power on, LED3(Green color) and LED2(Red color) will flash if the unit has some problems.
Table 12—LED Codes
No. Problems
LED3
(Green)
LED2
(Red)
IU display
1 Standby for normal O X
2 Operation normally X O
3 IPM malfunction or IGBT over-strong current protection
☆
X P0
4 Over voltage or too low voltage protection O O P1
5 EEPROM parameter error O ☆ E5
6 Inverter compressor drive error X ☆ P4
7 Inverter compressor drive error
☆
O P4
8 Inverter compressor drive error ☆ ☆ P4
O(light) X(off) ☆(2.5Hz flash)
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