– 42 –
(2) Self-diagnosis with remote control
With the indoor unit control, self-diagnosis of protective circuit action can be done by turning the remote
control operation into service mode, operating the remote control, observing the remote control indicators
and checking whether TIMER lamp blinks (5 Hz).
[ METHOD ]
Push the [CHK] button with a thin tip of pencil or
others. The remote control display shows “ ”.
Push “ ” key of TEMP. one by one.
The receiving beep “Pi!” is heard, and the timer
lamp of the air conditioner blinks.
(5 times for 1 sec.)
Operating “ ” key, the 35 check codes from “ ”
to “ ” are sent.
To reduce the check code number, push the “ ”
key of TEMP.
—> <—> <—> <--
--> <—> <---> <—
If the check code agrees with the error code, the
receiving beep continues ringing “Pi, Pi, Pi ...”
(for approx.10 sec.), and all the LED of air
conditioner blink. (5 times for 1 sec.)
[ To release the servicing check ]
Push the [START/STOP] button.
Display screen returns to one before check.
The servicing check operation can be also
released by [ACL] button.
Hr.ON OFF TIMER
C
MODE
FAN
TEMP.
TEMP.
START/STOP
TIMER
WH-E1BE
ECONO.
ON
OFF
RSV
CNL
ACL CHK
FAN
SET
MODE
AUTO
AUTO
COOL
DRY
HEAT
FAN ONLY
AUTO
LOW
MED.
HIGH
1
2
3
4
5
6
1
4
6
2
3
<Caution of servicing check>
1. After finished servicing check, push
[START/
STOP]
button and confirm to change main body
and remote control on normal operation mode.
2. After finished servicing check, disconnect plug
(or turned off circuit breaker) of main body due to
reset operation memory of microcomputer but in
case of found the check code, it's stoked in
microcomputer memory. Therefore, the memory
of check code can not delete after disconnected
plug (or turnrd off circuit breaker).
3. After finished repair the main unit, clear the
memory of microcomputer.
To clear the memory, need to use another serv-
ice check remote control.
(service part No. 43T69058).
<How to clear the memory>
1. Push the button (rear bottom ) of the remote
control with a tip of pencil for more than 3 sec-
onds.
Make sure the setting temperatur “
” is dis-
played on.
2. Adjust the check code to “
”.
(Use
[AUTO]
button and TEMP.
,
button
3. Push
[SET]
button.
(Data before operation is directly transferred.)
4. Push
[ON/OFF]
button.
(Transfer the signal to main unit.)
