Technibel KPAVM93R5TAA Technical Data & Service Manual page 32

2) Symptom:
Start
Remote controller judges itself
with self-diagnostic functions
OK
Is there an open or a contact
defect in the No. 1 line of the
remote controller?
No
No
No
Is the indoor forced
OPR pin shorted?
No
Replace the indoor
3) Symptom:
S
TART
Is the No. 1 line wire (red) for the
remote controller connected to
another line (2 or 3) or are No. 1
and No. 3 (black) wired reversed?
No
OK
Replace the indoor unit PCB.
LCD on the remote controller displays "CHECK E01".
(Unusual communication between remote controller and indoor unit.)
NG
Replace the remote controller.
Yes
Yes
Yes
Yes
Open the forced OPR pin.
.
LCD on the remote controller displays "CHECK E02". (Unusual communication between
remote controller and indoor unit)
Yes
NG
Correct the wiring.
Correct the setting.
Repair the wiring.
Replace the remote controller.
32
Yes
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