Toshiba HWT-601XWHM3W-ETR - Page 137

136
[F12] [Suction temperature sensor (TS) failure]
[F13] [Heat sink temperature sensor (TH) failure]
[F15] [Heat exchanger sensor (TE, TS) wrong wiring]
[F24] [High pressure sensor (PD) failure]
[F31] [EEPROM failure]
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
TS sensor connector is
connected
Correct TS sensor
connection
Replace outdoor control board
No
Yes
TS sensor resistance
characteristic is normal
Replace TS sensor
No
Yes
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675
Refer to the
characteristic table
on page 137
Replace outdoor control board
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1705
TE and TS sensor is
attached to the correct position.
Correct sensor attaching
position
Replace outdoor control board
No
Yes
TE sensor resistance
characteristic is normal
Replace TE sensor
No
Yes
TS sensor resistance
characteristic is normal
Replace TS sensor
No
Yes
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675
Refer to the
characteristic table
on page 137
Refer to the
characteristic table
on page 137
PD sensor connector is
connected
Correct PD sensor
connection
Replace outdoor control board
No
Yes
PD sensor is normal Replace PD sensor
No
Yes
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675
Check outdoor control board
If defective, replace it
PC board
<401, 601> MCC-1768
<801, 1101> MCC-1675