Toshiba CARRIER RAS-15LKV-UL - Manual (Page 70)

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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
condition 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 5 Hz and it will beep for 10 seconds
(Beep, Beep, Beep ... ). The timer lamp usually flashes (5 Hz) during self-diagnosis.
11-4-1. How to Use Remote Controller in Service Mode
Fig. 11-4-1
TEMP
PRESET
ONE-TOUCH
QUIET
SWING
TIMER
ON
FILTER CHK CLOCK
OFF
CLR
SLEEP SET
FIX Hi-POWER ECO
COMFORT
SLEEP
MODE
TEMP
FAN
Push [CHECK] button with a tip of pencil to set the
remote controller to the service mode.
• “ ” is indicated on the display of the remote controller.
Push [ON ] or [OFF ] button
If there is no fault with a code, the indoor unit will beep
once (Beep) and the display of the remote controller will
change as follows :
• The TIMER indicator of the indoor unit flashes continuously.
(5 times per 1 sec.)
• Check the unit with all 52 check codes ( to )
as shown in Table 11-4-1.
• Push [ON ] or [OFF ] button to change the check code
backward.
If there is a fault, the indoor unit will beep for 10 seconds
(Beep, Beep, Beep ... ).
Note the check code on the display of the remote controller.
• 2-digits alphanumeric will be indicated on the display.
• All indicators on the indoor unit will flash.
(5 times per 1 sec.)
Push [CLR] button.
After service finish for clear service code in memory.
• “7F” is indicated on the display of the remote controller.
Push [ ] button to release the service mode.
• The display of the remote controller returns to as it was
before service mode was engaged.
1
2
3
4
Alphanumeric characters are
used for the check codes.
is 5. is 6.
is A. is B.
is C. is D.
• • •
FILE NO. SVM-10020
°C/° F