Toshiba MMK-AP0073HP1-E1 Service Manual page 113

Check code
[F29] / [12]
(Current code / AI-NET)
This error is detected during operation of air conditioner of IC10 non-volatile memory (EEPROM) on indoor unit
P .C. board. Replace service P .C. board.
∗ If EEPROM was not inserted when power was turned on or it is absolutely impossible to read/write EEPROM
data, the automatic address mode is repeated. In this case, [97 error] is displayed on AI-NET central controller.
(Approx. 3 minutes)
(Power ON) [SET DATA] is displayed
on main remote controller.
Check code
[F31] / [1C]
(Current code / AI-NET)
Is there any trouble of
outdoor unit power supply?
NO
Check I/F P.C. board.
Check code name
Indoor other error
(Approx. 1 minute)
[SET DATA]
disappears.
(Repetition)
Check code name
Outdoor EEPROM error
YES
113
Cause of operation
Indoor P.C. board error
EEROM error
LED (D02) 1Hz flashes
for approx. 10 seconds
on indoor unit P.C. board.
Cause of operation
1. Outdoor unit power error (Voltage, noise, etc.)
2. Outdoor I/F P.C. board error
Check power voltage and line.
Correct power line.
Check external noise, etc.
FILE NO. SVM-16046
Repeat
(Reset)