Toshiba RAS-25S4KVDG-ND Service Manual page 98

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 in formation 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
FAN MENU
SWING EXIT
FIX FIX
Alphanumeric characters are
used for the check codes.
is 5.
is 6.
is A.
is B.
is C.
is D.
1
Press [CHECK] button at back side of remote
controller to the service mode.
• " " is indicated on the display of the remote
controller.
2
Press [TEMP ] 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 fashes continuously.
(5 times per 1 sec.)
Check the unit with all 52 check codes (
•
as shown in Table-11-4-1.
• Press [TEMP
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.)
3
Press [ TEMP ] until 7F for clear service code
after service finish.
4
Press [ ] button to release the service mode.
The display of the remote controller returns to as
•
it was before service mode was engaged.
Fig. 11-4-1
- 98 -
•••
] button to change the check
to )