10. Troubleshooting
10.1
Indoor unit error code explanation:
Malfunction
Timer Lamp
Operation Lamp
(flashes)
Indoor EEPROM malfunction
X
1
Communication malfunction between indoor and outdoor units
X
2
Indoor fan speed has been out of control
X
4
Open or short circuit of T1 temperature sensor
X
5
Open or short circuit of T2 temperature sensor
X
6
Overcurrent protection (For some units)
O
1
Open or short circuit of T4 temperature sensor
O
2
Open or short circuit of T3 temperature sensor
O
3
Open or short circuit of T5 temperature sensor
O
4
Outdoor EEPROM malfunction (For some units)
O
5
Outdoor fan speed is out of control
O
6
Open or short circuit of T2B temperature sensor (For free-match indoor units)
O
7
IPM module malfunction
☆
1
Over voltage or over low voltage protection
☆
2
Too low ambient temperature protection
☆
4
Inverter compressor drive protection
☆
5
Mode conflict
☆
6
Low pressure protection of compressor
☆
7
O (on) X(off)
☆
(flash at 2Hz)
For :
Malfunction
Running
lamp
Timer lamp
Defrosting lamp
Open or short circuit of T1 temperature sensor
☆
X
X
Open or short circuit of T2 temperature sensor
X
X
☆
Communication malfunction between indoor and outdoor units.
X
☆
X
Outdoor fan malfunction
X
☆
O
Indoor EEPROM malfunction
☆
☆
X
IPM module protection
☆
X
☆
Open or short circuit of T3 or T4 temperature sensor or Outdoor unit
EEPROM parameter error
☆
☆
☆
Voltage protection
☆
☆
O
Inverter compressor drive protection
☆
◎
X
Indoor fan speed has been out of control.
☆
O
☆
Mode conflict
☆
X
O
O(light) X(off)
☆
(flash at 5Hz)
◎
(flash at 0.5Hz)
)
FSFMIF-70AE2
FSFMIF-90AE2
FSFIF-121AE2
FSFMIF-180AE2
For
-29-
Summary of Contents for FS2MIF-141AE2
Page 8: ...5 Wiring diagram FS2MIF 141AE2 FS2MIF 181AE2 FS3MIF 211AE2 FS3MIF 271AE2 8 ...
Page 9: ...FS4MIF 281AE2 FS4MIF 361AE2 9 ...
Page 10: ...FS5MIF 421AE0 10 ...
Page 33: ...9 3 1 2 Indoor outdoor units communication error ...
Page 41: ...9 3 3 2 Communication malfunction between IPM board and outdoor main board ODU E3 ...
Page 44: ...9 3 3 5 High pressure protection ODU P1 For FS4MIF 281AE2 FS4MIF 361AE2 FS5MIF 421AE0 ...
Page 46: ...9 3 3 7 Current protection of compressor ODU P3 ...
