Carrier 42QHP09E8S - Error Diagnosis without Codes

Troubleshooting
 Page 58 
4. Quick Maintenance by Error Code
If you do not have the time to test whether specific parts are faulty, you can directly change the required parts according
the error code.
You can find the parts to replace by error code in the following table.
Part requiring
replacement
Error Code
E0 EA E1 E3 E4 E5 EB EF F0
Indoor PCB
x x
Outdoor PCB x x x x x x x
Display Board x x x x x x x x
Reactor x x x x x x x x
Indoor fan motor x x x x x x x x
Outdoor fan motor x x x X x x x x x
Temperature sensor x x x x x x x
T2 Sensor x x x x x x x x x
Additional refrigerant x x x x x x x x x
Compressor x x x x x x x x
IPM board x x x x x x x x x
Outdoor unit x x x x x x x x
Intelligent Eye x x x x x x x x
Part requiring
replacement
Error Code
F1 F2 F3 F4 F5 P0 P1 P2 P4
Indoor PCB
x x x x x x x x x
Outdoor PCB
Display Board x x x x x x x x x
Reactor x x x x x x x x
Indoor fan motor x x x x x x x x x
Outdoor fan motor x x x x x x x x
Temperature sensor x x x X x x
T2 Sensor x x x x x x x x x
Additional refrigerant x x x x x x x x x
Compressor x x x x x x x
IPM board x x x x x x
Outdoor unit x x x x x x x x x
Intelligent Eye x x x x x x x x x