Toshiba RAS-M10GDCV-E Service Manual page 44

11-4. Self-Diagnosis by Remote Controller (Check Code)
1. The self-diagnosis by the check code is performed while items B to E blocks are displayed.
2. When turning the operation mode on the remote controller to the service mode, and operating the remote
controller, the controller of the indoor unit can self-diagnose operation of the protection circuit by displayed
contents (check code) on the remote controller, by whether all the lamps flash (5Hz) and the receiving sound
(Beep, Beep, Beep ... for 10 seconds) is heard. The timer lamp usually flashes (5Hz) during self-diagnosis.
11-4-1. Self-Diagnosis
1. Wireless remote controller
CHK
START/STOP
FAN MODE
SWING ECO
TIMER TIMER
FIX
ON OFF SET
FILTER
RESET CLOCK CHECK
Alphanumeric characters are
used for the check codes.
is 5. is 6.
is A. is B.
is C. is D.
PRESET
AUTO
Hi-POWER
MEMO
CLR
Push the CHK button by something with thin edge.
1
• Check is displayed in the indication
part of the remote controller.
2
Push toward the indoor unit one by one.
If it is normal, the receiving sound "Beep" is heard
every pushing it and check code in the indication
part of the remote controller changes.
The timer lamp of the air conditioner flashes.
(5 times for 1 second)
• Check all of 35 check codes (
• Push to return to the objective code if passed.
If a trouble occurs, the receiving sound "Beep"
changes to Beep, Beep, Beep
(continues for approx. 10 seconds).
Check the check code in the indication part
of the remote controller.
• 2-digits alphanumeric characters are displayed in the
indication part of the remote controller.
• All the lamps of the air conditioner flash
(5 times for 1 second).
3
To release the self-diagnosis function,
push
START/STOP
Pushing the button once displays the operation stop, and
pushing the button twice returns the display before check.
Fig. 11-4-1
– 44 –
to ).
button.