Gree GUD71PHS1/A-S

GREE U-Match 6 SERIES UNIT SERVICE MANUAL
55
indicates the IPM module is normal; If any measured valve is 0, it indicates the IPM is damaged.
3.3 Error Code
Number Error code Error
1 A1 Outdoor fan IPM module protection
2 A6 Master control and DC outdoor fan driver communication error
3 A8 DC outdoor fan driver module high temperature protection
4 A9 DC outdoor fan driver module temperature sensor error
5 AA DC outdoor fan AC current protection
6 Ab DC outdoor fan driver reset protection
7 Ac Outdoor fan startup failure
8 Ad Outdoor fan Phase-loss protection
9 AE Outdoor fan current detection circuit error
10 AF DC outdoor fan driver PFC protection
11 AH DC outdoor fan driver bus high-voltage protection
12 AJ Outdoor fan out-of-step protection
13 AL DC outdoor fan driver bus low-voltage protection
14 An DC outdoor fan driver memory chip error
15 AP DC outdoor fan driver input AC voltage error protection
16 Ar DC outdoor fan driver electrical box temperature sensor error
17 AU DC outdoor fan driver charge loop error
18 C0 Wired controller and indoor unit communication failure