Toshiba HWS-455XWHM3-E Installationshandbuch Seite 59

Hydro Unit
Diagnostic functional operation
Check
code
Operational cause
Pump error
A13
Regular communication error
E03 between hydro unit and remote
controller
Regular communication error
E04 between hydro unit and outdoor
unit
Duplicate address of Hydro unit, or
E08 Duplicate master Hydro unit during
Group control
Regular communication error
between master Hydro unit and
E18
slave Hydro unit during Group
control
TC sensor error
F03
TWI sensor error
F10
TWO sensor error
F11
TTW sensor error
F14
TFI sensor error
F17
THO sensor error
F18
Detection of THO disconnection
error
F19
TFI sensor error
F20
Backup Automatic
operation reset
1. Pump has stopped by a certain cause.
• Low supply voltage.
Heating
• High humidity around the electric box of the pump.
×
• Dew condensation to the electric board of the
×
pump.
Hot water
• Once turn off the power supply to the system and
O
turn on again and operate the system.
2. Check the Flow switch in the Hydro unit.
1. Check remote controller connection.
×
O
2. Defect in the remote controller.
1. Check the serial circuit.
• Miswiring of the crossover between the hydro unit and
O O
the outdoor unit
1. Set the address No. of the Rotary switch "SW01"
×
O
correctly for each Hydro unit.
1. Check the Hydro unit connection.
×
O
• Miswiring of the master and slave Hydro unit.
1. Check the resistance value and connection of the
O O
heat exchange temperature sensor (TC).
1. Check the resistance value and connection of the
O O
water inlet temperature sensor (TWI).
Heating
×
1. Check the resistance value and connection of the
O
water outlet temperature sensor (TWO).
Hot water
O
Heating
×
1. Check the resistance value and connection of the hot
O
water cylinder sensor (TTW).
Hot water
O
Heating
×
1. Check the resistance value and connection of the
O
floor-inlet temperature sensor (TFI).
Hot water
O
Heating
×
1. Check the resistance value and connection of the
O
heater outlet temperature sensor (THO).
Hot water
O
Heating
×
1. Check for any disconnection of the heater outlet
×
temperature sensor (THO).
Hot water
O
Heating
×
1. Check the connection of the floor-inlet temperature
×
sensor (TFI).
Hot water
O
– 58 –
Installation Manual
O ... Possible
× .... Not possible
Determination and action
EN
58-EN