Toshiba HWS-803XWHM3-E Service Manual page 120

Outdoor LED
Check code
indication
No code
<Indication 1> <Indication 2>
[F04] <Indication 1> <Indication 2>
[F06] <Indication 1> <Indication 2>
[F07]
<Indication 1> <Indication 2>
(No specific description indicates outdoor unit parts.)
[Discharge abnormality] Compressor's loss of synchronism due to rapid load change, etc.
* Although the outdoor LED indicates abnormality, the compressor restarts and no abnormality
is confirmed.
* This may occur due to the open phase of the compressor or wiring detach.
[Discharge temperature sensor (TD) failure]
TD sensor connector
(CN603) is connected
TD sensor resistance
characteristic is normal
Replace outdoor control board
[Heat exchanger temperature sensor (TE) failure]
TE sensor connector (CN601)
is connected
TE sensor resistance
characteristic is normal
Replace outdoor control board
[Heat exchanger temperature sensor (TL) failure]
TL sensor connector (CN604)
is connected
TL sensor resistance
characteristic is normal
Replace outdoor control board
119
Check and Action procedure
PC-Board
803 to 1403H-E (MCC-1571)
1103 to 1603H8(R)-E (MCC 1599)
PC-Board
803 to 1403H-E (MCC-1571)
1103 to 1603H8(R)-E (MCC 1599)
PC-Board
803 to 1403H-E (MCC-1571)
1103 to 1603H8(R)-E (MCC 1599)
Correct TD sensor
connection
Replace TD sensor
Correct TE sensor
connection
Replace TE sensor
Correct TL sensor
connection
Replace TL sensor