Toshiba HWS-1403XWHD6-E, Installation Manual

Page: 43 / 186

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
O O
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
42-EN
+00EF99805101_00Ta.book Page 43 Friday, July 2, 2010 4:36 PM