Toshiba HWT-601F21SM3W-E Installation Manual page 37

Hydro Unit
Defect mode detected by the remote controller
Diagnostic functional operation
Check code
Operational cause
No communication between Hydro
Not
Unit an remote controller
displaying at
all
(cannot
operate by
the remote
controller)
No communication between Hydro
Unit and remote controller
E01
Defect in the signal transmission
to the Hydro Unit.
(Detected on the remote controller
E02
side)
Several remote controller base
units
E09
(Detected on the remote controller
side)
71-EN
Determination and action
Status of air-
Condition
conditioning
Stop – Defect in the remote controller power
supply
1. Check the remote controller wiring.
2. Check the remote controller.
3. Check the Hydro Unit power supply
wiring.
4. Check the water heat exchange
control board.
Stop Displayed when Defect in the reception of the remote
(Automatic reset) the abnormality controller
is detected.
1. Check the remote controller
crossover.
2. Check the remote controller.
3. Check the hydro power supply wiring.
4. Check the water heat exchanger
board.
Stop Displayed when Defect in the transmission of the remote
(Automatic reset) the abnormality controller
is detected.
1. Check the transmitter circuit inside the
remote controller.
... Replace the remote controller.
Stop Displayed when 1.2 Check several base units with the
(The handset the abnormality remote controller
continues) is detected.
... The base unit is only one, and others
are handsets.
– 36 –
Installation Manual
72-EN