Toshiba RAS-137SKV-E Service Manual page 66

11-4. Self-Diagnosis by Remote Controller (Check Code)
1. If the lamps are indicated as shown B to E in Table 11-3-1, execute the self-diagnosis by the remote controller.
2. When the remote controller is set to the service mode, the indoor controller diagnoses the operation condi-
tion and indicates the information of the self-diagnosis on the display of the remote controller with the check
codes. If a fault is detected, all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds
(Beep, Beep, Beep ... ). The timer lamp usually flashes (5Hz) during self-diagnosis.
11-4-1. How to Use Remote Controller in Service Mode
MODE
AUTO
COOL
DRY
HEAT
SWING
MODE
ON
•
Alphanumeric characters are used for the check code.
is 5.
is A.
is C.
TEMP. FAN
AUTO
QUIET
B
Hr.ON OFF
TEMP.
START/STOP
FIX FAN
ECO
RST CHK
TIMER
OFF SET CLR
is 6.
is B.
is D.
(1) Press [CHK] button with a tip of pencil to set the
remote control to the service mode.
• "00" is indicated on the display of the remote
control.
• The timer lamp on the indoor unit blinks
continuously. (5 times per 1 sec.)
(2) Press [8TEMP.] button.
If there is no fault with a code, the indoor unit will
beep once (Pi) and the display of the remote
control will change as follows:
00
• Check the unit with all 35 check codes (00 to 22).
• Press [9TEMP.] button to change the check
code backwards.
If there is a fault, the indoor unit will beep for 10
seconds (Pi, Pi, Pi...).
Note the check code on the display of the remote
control.
• 2-digits alphanumeric will be indicated on the
display.
• All lamps on the indoor unit will blink. (5 times
per 1 sec.)
(3) Press [START/STOP] button to release the service
mode.
• The display of the remote control returns to as it
was before service mode was engaged.
Fig. 11-4-1
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FILE NO. SVM-08011
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