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9. Failure code
1. Conrm 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 specication 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 icker periodically, you can according
the icker times to check the failure reason. See the below table.
Connection kit failure code list
Error Code Error Content
E1 Indoor ambient temperature Tai s ensor
E2 Indoor pipe temperature Tc1 sens or
E3 Indoor pipe temperature Tc2 sens or
E5 EEPROM Error
E6 Comm.With Outdoor
E7 Comm.With Controller
E9 Repeated address of indoor
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