Toshiba ESTIA R32 HWT-401HW-E Manual page 88

Fault detection via remote control
Error
Code
No communication
between Hydrobox and
Not generally
remote control
displayed (cannot be
- The remote control wiring has
operated with the
not been implemented correctly
remote control)
- The Hydrobox has not been
switched on
No communication between
Hydrobox and remote control
Disconnection of the transition
E01
from the remote control and
the base unit of the indoor unit
(detected via the remote control)
Error in signal transmission
to the Hydrobox
E02
(detected via the remote control)
Several master remote
controls
E09
(detected via the remote control)
48 I 48 I TOSHIBA
TOSHIBA
Diagnostics of functional operation
Technical cause
(automatic
(automatic
(slaves continue
to operate)
Backup Automatic
present reset
Stop -
Stop Displayed if an
anomaly has
reset) been detected
Stop Displayed if an
anomaly has
reset) been detected
Stop Displayed if an
anomaly has
been detected
Determination and measures
Fault in the remote control power supply
1. Check the remote control wiring
2. Check the remote control
3. Check the Hydrobox power supply cable
4. Check the water-heat exchanger control
board
Error with remote control reception
1. Check the remote control transition
2. Check the remote control
3. Check the power supply cable of the
Hydrobox
4. Check the water-heat exchanger PCB
Error in remote control transmission
1. Check the transmitter circuit in the
remote control
2. Replace the remote control
Several master remote controls
Only one remote control can be set as the
master. All other remote controls must be set
as a slave