Toshiba RAV-GM901KRTP Series Service Manual page 58

[F02 error]
Is connection of TC sensor connector
(CN101 on Indoor P.C. board) correct?
YES
Are characteristics of
TC sensor resistance value normal?
YES
Check indoor P.C. board (MCC-1696).
Defect → Replace
[F01 error]
Is connection of TCJ sensor connector
(CN102 on Indoor P.C. board) correct?
YES
Are characteristics of
TCJ sensor resistance value normal?
YES
Check indoor main P.C. board (MCC-1696).
Defect → Replace
[F29 error]
This check code indicates a detection error of IC10 non-volatile memory (EEPROM) on the indoor unit P .C.
board, which generated during operation of the air conditioner. Replace the service P.C. board.
∗ When EEPROM was not inserted when power supply turned on or when the EEPROM data read/write
operation is impossible at all, the automatic address mode is repeated. In this time, [97 error] is displayed on
the central controller.
(Approx.
3 minutes)
[SET] is displayed
(Power ON)
on remote controller.
[P31 error] (Follower indoor unit)
When the header unit of a group operation detected [E03], [L03], [L07] or [L08] error, the follower unit of the
group operation detects [P31 error] and then the unit stops.
There is no display of the CODE No. or alarm history of the remote controller. (In this model, the mode enters
in automatic address set mode when the header unit detected [L03], [L07] or [L08] error.)
NO
NO
∗ Refer to Characteristics-2.
NO
NO
∗ Refer to TCJ sensor
(Temperature-Resistance value characteristic table)
(Approx.
1 minute)
[SET]
goes off.
Correct connection of connector.
Correct connection of connector.
LED (D02) on indoor unit
P.C. board flashes with
1Hz for approx. 10 seconds.
(Repetition)
- 58 -
Replace TC sensor.
Replace TCJ sensor.
Reboot
(Reset)