Toshiba XXXXXXX(<SanSerif1>X/X)
–43–
EN
Hydro Unit
Installation Manual
Defect mode detected by the water heat exchange
F14
TTW sensor error
× O
1. Check the resistance value and connection of the hot
water cylinder sensor (TTW).
F17
TFI sensor error
× O
1. Check the resistance value and connection of the
floor-inlet temperature sensor (TFI).
F18
THO sensor error
× O
1. Check the resistance value and connection of the
heater outlet temperature sensor (THO).
F19
Detection of THO disconnection
error
××
1. Check for any disconnection of the heater outlet
temperature sensor (THO).
F20
TFI sensor error
××
1. Check the connection of the floor-inlet temperature
sensor (TFI).
F23
Low pressure sensor error
OO
1. Check the connection (body or connection wiring) of
the low pressure sensor.
2. Check the resistance value of the low pressure
sensor.
F29 EEROM error
××1. Replace the water heat exchange control board.
F30 Extended IC error
××1. Replace the water heat exchange control board.
L07 Communication error
××1. Replace the water heat exchange control board.
L09
Communication error
××
1. Check the setting of the FC01 capability
specifications.
HWS-802xx-E = 0012
HWS-1402xx-E = 0017
L16
Setting error
When ZONE1 has not been set, while
ZONE2 has been set.
××1. Check the body DP-SW12_2,3.
Check
code
Diagnostic functional operation
Determination and action
Operational cause
Backup
present
Automatic
reset
F04
TD sensor error
O ×
1. Check the resistance value and connection of the
discharge sensor (TD).
F06
TE sensor error
O
×
1. Check the resistance value and connection of the
heat exchange temperature sensor (TE).
F07
TL sensor error
O
×
1. Check the resistance value and connection of the
heat exchange temperature sensor (TL).
F08
TO sensor error
O
×
1. Check the resistance value and connection of the
outdoor temperature sensor (TO).
F12
TS sensor error
O
×
1. Check the resistance value and connection of the
suction temperature sensor (TS).
F13
TH sensor error
O
×
1. Check the resistance value and connection of the
heat-sink temperature sensor (TH).
F15
TE, TS sensors error
O
×
1. Check for any wrong installation of the heat exchange
temperature sensor (TE) and the suction temperature
sensor (TS).
F31 EEPROM error O
×
H01
Compressor breakdown
O ×
1. Check the power supply voltage.
2. Over-loaded condition of the refrigeration cycle.
3. Check that the service valve is fully open.
O ... Possible
× .... Not possible
Check
code
Diagnostic functional operation
Determination and action
Operational cause
Backup
present
Automatic
reset
+00EF99805101_01EN.book Page 43 Monday, June 21, 2010 3:45 PM
To Next Page
Loading...
