Toshiba HWS-802XWHT6-E User Manual
Page 70

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).
1
87
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).
1
88
F19
Detection of THO disconnection error
When TWO–THO>15K is detected and
30 sec elapsed.
Ч
Ч
1. Check for any disconnection of the
heater outlet temperature sensor
(THO).
1
88
F20
TFI sensor error
When TWO–TFI>30K is detected and
TFI Ч Ч 1. Check any disconnection of the floor-inlet temperature sensor (TFI). 1 89 F23 Low pressure sensor error When PS<0.07 MPa is detected for 2 sec or more. O O 1. Check for any disconnection (body or connection wiring) of the low 2. Check the resistance value of the low pressure sensor. 1 89 F29 EEROM error Inconsistency is detected once without verify ACK after writing to EEPROM. Ч Ч 1. Replace the water heat exchange control board. 1 90 F30 Extended IC error When the extended IC is abnormal. Ч Ч 1. Replace the water heat exchange control board. 1 90 L07 Communication error Individual hydro units have a group line. Ч Ч 1. Replace the water heat exchange control board. 1 90 L09 Communication error The capability of the hydro unit has not been set. Ч Ч 1. Check the setting of the FC01 capability specifications. HWS-802xx-E = 0012 HWS-1402xx-E = 0017 1 90 L16 Setting error When ZONE1 has not been set, while ZONE2 has been set. Ч Ч 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 Automat ic reset +00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 69 Monday, October 5, 2009 2:09 PM
pressure sensor.
present