Toshiba HWT-1101XWHT6W-E - Page 136

135
[F04] [Discharge temperature sensor (TD) failure]
[F06] [Heat exchanger temperature sensor (TE) failure]
[F07] [Heat exchanger temperature sensor (TL) failure]
[F08] [Outside air temperature sensor (TO) failure]
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
TD sensor connector is
connected
Correct TD sensor
connection
Replace outdoor control board
No
TD sensor resistance
characteristic is normal
Replace TD sensor
No
Yes
Yes
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675
Refer to the
characteristic table
on page 137
TE sensor connector is
connected
Correct TE sensor
connection
Replace outdoor control board
No
Yes
TE sensor resistance
characteristic is normal
Replace TE sensor
No
Yes
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675
Refer to the
characteristic table
on page 137
TL sensor connector is
connected
Correct TL sensor
connection
Replace outdoor control board
No
YES
TL sensor resistance
characteristic is normal
Replace TL sensor
No
YES
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675
Refer to the
characteristic table
on page 137
TO sensor connector is
connected
Correct TO sensor
connection
Replace outdoor control board
No
Yes
TO sensor resistance
characteristic is normal
Replace TO sensor
No
Yes
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675
Refer to the
characteristic table
on page 137