Toshiba RAV-HM301SDTY-E - Page 42

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Error mode detected by remote controller
∗2 The check code cannot be displayed by the wired remote controller.
(Usual operation of air conditioner becomes unavailable.)
Operation of diagnostic function
Check code
Not displayed at all
(Operation on
remote controller
is impossible.)
E01
∗2
E02
E09
Cause of operation
No communication with master indoor unit
• Remote controller wiring is not correct.
• Power of indoor unit is not turned on.
• Automatic address cannot be completed.
No communication with master indoor unit
• Disconnection of inter-unit wire between
remote controller and master indoor unit
(Detected by remote controller side)
Signal send error to indoor unit
(Detected by remote controller side)
There are multiple main remote controllers.
(Detected by remote controller side)
Status of
air conditioner
Stop
Stop
(Automatic reset)
∗ If center exists,
operation continues.
Stop
(Automatic reset)
∗ If center exists,
operation continues.
Stop
(Sub unit
continues operation.)
Condition
—
Displayed when
error is detected
Displayed when
error is detected
Displayed when
error is detected
Judgment and measures
Power supply error of remote controller, Indoor
EEPROM error
1. Check remote controller inter-unit wiring.
2. Check remote controller.
3. Check indoor power wiring.
4. Check indoor P.C. board.
5. Check indoor EEPROM.
(including socket insertion)
→ Automatic address repeating phenom-
enon generates.
Receiving error from remote controller
1. Check remote controller inter-unit wiring.
2. Check remote controller.
3. Check indoor power wiring.
4. Check indoor P.C. board.
Sending error of remote controller
1. Check sending circuit inside of remote
controller.
→ Replace remote controller.
1. In 2-remote controllers, there are multiple
main units.
Check that there are 1 main remote
controller and other sub remote controllers.