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9. Failure code
1. Confirm that the cover of the electrical cabinet of the connection kit is of good sealing.
2. Conduct commissioning in accordance with the installation and use specification attached to the outdoor unit.
At the time of energization, because electronic expansion valve will start initialization (open/ close), there may be
click lasting for about 20s, which is normal.
3. When the connection kit failure, the connection kit trouble light LED5 will flicker periodically, you can according
the flicker times to check the failure reason. See the below table.
Connection kit failure code list
Error Code
E1
E2
E3
E5
E6
E7
E9
Error Content
Indoor ambient temperature Tai s ensor
Indoor pipe temperature Tc1 sens or
Indoor pipe temperature Tc2 sens or
EEPROM Error
Comm.With Outdoor
Comm.With Controller
Repeated address of indoor
38
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