Sanyo XHS3632 Service Manual page 62

2) Symptom: LCD on the remote controller displays "CHECK E01".
Remote controller judges itself
with self-diagnostic functions
Section
Is there an open or a contact
defect in the No. 1 line of the
1
remote controller?
Is there 230 -208 V AC between
U1 and U2 of 8 P terminal plate?
2
Is the indoor unit PCB's non-volatile
memory IC setting ("CHECK F29"
displayed) wrong?
Is the indoor unit PCB's inspection
3
pin shorted?
Replace the indoor unit PCB.
3) Symptom: LCD on the remote controller displays "CHECK E02".
4
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?
Remote controller judges itself with
self-diagnostic functions.
(To avoid misjudgment, always
remove the No. 1 line of the remote
controller wiring from the indoor
unit terminal plate.)
Replace the indoor unit PCB.
(Unusual communication between remote controller and indoor unit.)
Start
NG
OK
Yes
No
Mis-wiring between the power
Yes
supply line and indoor/ outdoor
unit operation lines.
No
Yes
No
Yes
No
(Unusual communication between remote controller and indoor unit)
Start
Yes
No
NG
OK
Replace the remote controller.
Correct the wiring.
Correct the setting.
Open the inspection pin.
Repair the wiring.
Replace the remote controller.
– 62 –
4. Service procedures
Correct the wiring, and pull out the
Yes
socket connected to the OC plug
to replace with the EMG plug.
0334_M_I
1145_THS_I
SM830076