Toshiba Super MMY-MAP0801HT8 - Page 139

139
Check code
Main
remote
controller
F07
F08
F10
F12
F13
F15
F16
F23
F24
F29
F31
H01
Outdoor 7-segment display
Check code Sub-code
F07 —
F08 —
——
F12 —
F13 01: Compressor 1 side
02: Compressor 2 side
F15 —
F16 —
F23 —
F24 —
——
F31 —
H01 01: Compressor 1 side
02: Compressor 2 side
AI-NET
central control
remote controller
18
1b
OC
A2
43
18
43
43
43
12
1C
1F
Detected
position
I/F
I/F
Indoor
I/F
IPDU
I/F
I/F
I/F
I/F
Indoor
I/F
IPDU
Check code name
TL sensor error
TO sensor error
Indoor TA sensor error
TS1 sensor error
TH sensor error
Outdoor temp sensor
miscabling (TE1, TL)
Outdoor pressure sensor
miscabling (Pd, Ps)
Ps sensor error
Pd sensor error
Indoor other error
Outdoor EEPROM error
Compressor breakdown
Status
All stop
All stop
Corresponding
unit only stops.
All stop
All stop
All stop
All stop
All stop
All stop
Corresponding
unit only stops.
All stop (∗1)
All stop
Error detection condition
• Resistance value of sensor is
infinite or zero (Open/Short).
• Resistance value of sensor is
infinite or zero (Open/Short).
• Resistance value of sensor is
infinite or zero (Open/Short).
• Resistance value of sensor is
infinite or zero (Open/Short).
• Resistance value of sensor is
infinite or zero (Open/Short).
During operation of compressor in
HEAT mode, the TE1 detection
temp was higher than that of TL
by the specified value continued
for 3 minutes or more.
High-pressure Pd sensor and low-
pressure Ps sensor were
exchanged, or output voltages of
both sensors are zero.
Output voltage of Ps sensor was
zero.
Output voltage of Pd sensor was
zero. (Sensor Open)
Pd > 4.15MPa during stop of
compressor
Indoor P.C. board did not operate
normally.
Outdoor P.C. board (I/F) did not
operate normally.
Inverter current detection circuit
detected over-current and
stopped.
Check item (position)
• Check connection of TL sensor connector.
• Check characteristics of TL sensor resistance value.
• Check outdoor P.C. board (I/F) error.
• Check connection of TO sensor connector.
• Check characteristics of TO sensor resistance value.
• Check outdoor P.C. board (I/F) error.
• Check connection/cabling of TA sensor connector.
• Check characteristics of TA sensor resistance value.
• Check indoor P.C. board error.
• Check connection of TS1 sensor connector.
• Check characteristics of TS1 sensor resistance value.
• Check outdoor P.C. board (I/F) error.
• IGBT built-in temp sensor error
→ Exchange IPDU P.C. board.
• Check installation of TE1 sensor and TL sensor.
• Check characteristics of TE1 and TL sensor resistance
value.
• Check outdoor P.C. board (I/F) error.
• Check connection of high-pressure Pd sensor connector.
• Check connection of low-pressure Ps sensor connector.
• Check pressure sensors Pd and Ps error.
• Check outdoor P.C. board (I/F) error.
• Check compression error of compressor.
• Misconnection of Ps sensor and Pd sensor connectors
• Check connection of Ps sensor connector.
• Check Ps sensor error.
• Check compression error of compressor.
• Check 4-way valve error.
• Check outdoor P.C. board (I/F) error.
• Check SV4 circuit error.
• Check connection of Pd sensor connector.
• Check Pd sensor error.
• Check outdoor P.C. board (I/F) error.
• Check indoor P.C. board error (EEPROM error).
• Check power voltage.
• Check power noise.
• Check outdoor P.C. board (I/F) error.
• Check power voltage. (AC220–240V ± 10%).
• Check compressor error.
• Check cause of abnormal overload operation.
• Check outdoor P.C. board (IPDU) error.
(
∗∗
∗∗
∗1) All stop only in case of the header unit The follower unit continues operation.