(3-2) Condition: E12
Troubleshooting Serial Communication
1.Turn off the power and wait until the power lamp (LED) of the outdoor unit controller is turned OFF.
2.Disconnect the cable from the terminal 3 on the Outdoor
unit terminal strip. | (Fig. 6) |
1.Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit.
2.Perform the
Condition: E01
What is the latest
Condition: E12
1.Turn off the power and wait until the power lamp (LED) of the outdoor unit controller is turned OFF.
2.Disconnect the cable from the terminal 3 on the indoor
unit terminal strip. | (Fig. 7) |
1.Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit.
2.Perform the
Condition: E01
What is the latest
Condition: E12
Defect in the indoor unit
P.C. board
Outdoor Unit
1 | 2 | 3 | 4 | 5 | 6 | ||
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Power
1 2 3
Indoor Unit
Fig. 6
Defect in the outdoor unit
P.C. board
Outdoor Unit
1 | 2 | 3 | 4 | 5 | 6 | ||
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Power
1 2 3
Indoor Unit
Fig. 7
Defect in the
cable
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