Toshiba HWS-802XWHT6-E Heat Pump User Manual


 
69
Toshiba
F17
TFI sensor error
Open or short circuit in the floor
temperature sensor.
× O
1.Check the resistance value and
disconnection of the floor-inlet
temperature sensor (TFI).
187
F18
THO sensor error
Open or short circuit in the heater outlet
temperature sensor.
× O
1.Check the resistance value and
disconnection of the heater outlet
temperature sensor (THO).
188
F19
Detection of THO disconnection error
When TWO–THO>15K is detected and
30 sec elapsed.
××
1.Check for any disconnection of the
heater outlet temperature sensor
(THO).
188
F20
TFI sensor error
When TWO–TFI>30K is detected and
TFI<TWI–5K is detected.
××
1.Check any disconnection of the
floor-inlet temperature sensor (TFI).
189
F23
Low pressure sensor error
When PS<0.07 MPa is detected for 2
sec or more.
OO
1.Check for any disconnection (body
or connection wiring) of the low
pressure sensor.
2.Check the resistance value of the
low pressure sensor.
189
F29
EEROM error
Inconsistency is detected once without
verify ACK after writing to EEPROM.
××
1.Replace the water heat exchange
control board.
190
F30
Extended IC error
When the extended IC is abnormal.
××
1.Replace the water heat exchange
control board.
190
L07
Communication error
Individual hydro units have a group line.
××
1.Replace the water heat exchange
control board.
190
L09
Communication error
The capability of the hydro unit has not
been set.
××
1.Check the setting of the FC01
capability specifications.
HWS-802xx-E = 0012
HWS-1402xx-E = 0017
190
L16
Setting error
When ZONE1 has not been set, while
ZONE2 has been set.
××1.Check the body DP-SW12_2,3. 1 90
Check
code
Diagnostic functional operation
Determination and action
Number of
abnormalities
for
confirmation
Detailed
item
Operational cause
Backup
present
Automat
ic reset
+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 69 Monday, October 5, 2009 2:09 PM