Toshiba HWS-P805XWHM3-E(TR) Service Manual page 108

[F14] Error TTW sensor failure
Start
TTW sensor
connector (CN214) is
connected
TTW sensor
characteristic is normal
Replace water heat exchange control board
[F17] Error TFI sensor failure
Start
TFI sensor
connector (CN213) is
connected
TFI sensor
characteristic is normal
Replace water heat exchange control board
[F18] Error THO sensor failure
Start
THO sensor
connector (CN206) is
connected
THO sensor
characteristic is normal
Replace water heat exchange control board
No
Yes
No
(Refer to Characteristic table on page 130)
Yes
No
Yes
No
(Refer to Characteristic table on page 130)
Yes
No
Yes
No
(Refer to Characteristic table on page 130)
Yes
107
Correct TTW sensor
connection
Replace TTW sensor
Correct TFI sensor
connection
Replace TFI sensor
Correct THO sensor
connection
Replace THO sensor