4. Service procedures
2)Symptom: LCD on the remote controller displays “CHECK E01”. (Unusual communication between remote controller and indoor unit.)
Start
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| NG |
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Remote controller judges itself |
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with |
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| OK |
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Is there an open or a contact | Yes |
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defect in the No. 1 line of the |
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remote controller? |
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| No |
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Is there 230 | Yes |
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U1 and U2 of terminal plate? |
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| No |
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| Yes |
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Is the indoor unit PCB’s inspection |
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pin shorted? |
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| No |
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Replace the indoor unit PCB. |
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Replace the remote controller.
Correct the wiring.
Open the inspection pin.
Yes
Correct the wiring, and pull out the socket connected to the OC plug to replace with the EMG plug.
2096_THS_I
3)Symptom: LCD on the remote controller displays “CHECK E02”. (Unusual communication between remote controller and indoor unit)
4
Start
NG
Remote controller judges itself with
OK
Replace the remote controller.
Replace the indoor unit PCB.
2097_M_I
SM830082
IV - 10
