Toshiba MMY-MAP0724HT6UL - Page 122

121
Check code
Location
of
detection
Description System status Error detection condition(s) Check items (locations)
Wired
remote
control
Outdoor 7-segment display
Check
code
Sub-code
F05 F05 –
I/F TD2 sensor
error
All stop Sensor resistance is infinity or zero
(open/short circuit).
• Check connection of TD2 sensor
connector.
• Check resistance characteristics
of TD2 sensor.
• Check for defect in outdoor P.C.
board (I/F).
F06 F06
01:
TE1 sensor error
02:
TE2 sensor error
I/F TE1/TE2
sensor error
All stop Sensor resistance is infinity or zero
(open/short circuit).
• Check connection of TE1/TE2
sensor connectors.
• Check resistance characteristics
of TE1/TE2 sensors.
• Check for defect in outdoor P.C.
board (I/F).
F07 F07 –
I/F TL sensor error All stop Sensor resistance is infinity or zero
(open/short circuit).
• Check connection of TL sensor
connector.
• Check resistance characteristics
of TL sensor.
• Check for defect in outdoor P.C.
board (I/F).
F08 F08 –
I/F TO sensor
error
All stop Sensor resistance is infinity or zero
(open/short circuit).
• Check connection of TO sensor
connector.
• Check resistance characteristics
of TO sensor.
• Check for defect in outdoor P.C.
board (I/F).
F10 – –
Indoor
unit
Indoor TA
sensor error
Stop of
corresponding
unit
Sensor resistance is infinity or zero
(open/short circuit).
• Check connection of TA sensor
connector and wiring.
• Check resistance characteristics
of TA sensor.
• Check for defect in indoor P.C.
board.
F11 – –
Indoor
unit
Indoor TF
sensor error
Stop of
corresponding
unit
Sensor resistance is infinity or zero
(open/short circuit).
• Check connection of TF sensor
connector and wiring.
• Check resistance characteristics
of TF sensor.
• Check for defect in indoor P.C.
board.
F12 F12 –
I/F TS1 sensor
error
All stop Sensor resistance is infinity or zero
(open/short circuit).
• Check connection of TS1 sensor
connector.
• Check resistance characteristics
of TS1 sensor.
• Check for defect in outdoor P.C.
board (I/F).
F13 F13
01: Compressor
1 side
02: Compressor
2 side
03: Compressor
3 side
IPDU TH sensor
error
All stop Sensor resistance is infinity or zero
(open/short circuit).
• Defect in IGBT built-in
temperature sensor
➝
Replace A3-IPDU P.C. board.
F15 F15 –
I/F Outdoor
temperature
sensor wiring
error (TE1, TL)
All stop During compressor operation in
HEAT mode, TE1 continuously
provides temperature reading
higher than indicated by TL by at
least specified margin for 3 minutes
or more.
• Check installation of TE1 and TL
sensors.
• Check resistance characteristics
of TE1 and TL sensors.
• Check for outdoor P.C. board (I/
F) error.
F16 F16 –
I/F Outdoor
pressure
sensor wiring
error (Pd, Ps)
All stop Readings of high-pressure Pd
sensor and low-pressure Ps sensor
are switched.
Output voltages of both sensors are
zero.
• Check connection of high-
pressure Pd sensor connector.
• Check connection of low-
pressure Ps sensor connector.
• Check for defect in pressure
sensors Pd and Ps.
• Check for error in outdoor P.C.
board (I/F).
• Check for deficiency in
compressive output of
compressor.
F22 F22 –
I/F TD3 sensor
error
All stop Sensor resistance is infinity or zero.
(open/short circuit)
• Check connection of TD3 sensor
connector.
• Check resistance characteristics
of TD3 sensor.
• Check for defect in outdoor P.C.
board (I/F).