Toshiba HWS-802XWHM3-E - Diagnosis Flow Charts for Error Codes

73
Toshiba
Defect mode detected by the remote control
Check code
Diagnostic functional operation
Determination and action
Operational cause
Status of air-
conditioning
Condition
Not
displaying at
all
(cannot
operate by
the remote
control)
No communication between hydro
unit an remote controller
• The remote control wiring is not
connected correctly.
• The hydro unit has not been turned
on.
Stop – Defect in the remote control 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.
E01
No communication between hydro
unit and remote controller
• Disconnection of the crossover
between the remote control and the
base unit of the indoor unit
(detected on the remote control
side).
Stop
(Automatic reset)
Displayed when
the abnormality
is detected.
Defect in the reception of the remote
control
1. Check the remote control crossover.
2. Check the remote control.
3. Check the hydro power supply wiring.
4. Check the water heat exchanger
board.
E02
Defect in the signal transmission
to the hydro unit.
(Detected on the remote control side)
Stop
(Automatic reset)
Displayed when
the abnormality
is detected.
Defect in the transmission of the remote
control
1. Check the transmitter circuit inside the
remote control.
… Replace the remote control.
E09
Several remote control base units
(Detected on the remote control side)
Stop
(The handset
continues)
Displayed when
the abnormality
is detected.
1.2 Check several base units with the
remote control
… The base unit is only one, and others
are handsets.
+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 73 Monday, October 5, 2009 2:09 PM