48
9. Troubleshooting
9.1 Indoor Unit Error Display
Display
Operation lamp flash times
Timer lamp
Failure
E0
1
X
EEPROM error
E1
2
X
Indoor and outdoor communication error
E2
3
X
Zero crossing detection error
E3
4
X
Indoor fan speed has been out of control
E4
5
X
Indoor room temperature sensor T1 open
circuit or short circuit
E5
6
X
Evaporator coil temperature sensor T2 open
circuit or short circuit
EC
7
X
Refrigerant leak detection error
F1
2
O
Outdoor temperature sensor T4 open circuit or
short circuit
F2
3
O
Condenser coil temperature sensor T3 open
circuit or short circuit
F3
4
O
Compressor discharge temperature sensor T5
open circuit or short circuit
F4
5
O
Outdoor EEPROM parameter error
P0
1
☆
IPM malfunction or IGBT over-strong current
P1
2
☆
Over voltage or too low voltage protection
P2
3
☆
Temperature protection of compressor
top(only for 24k models)
P4
5
☆
Inverter compressor drive error
O
（
light
）
X
（
off
）
☆（
flash
）
Summary of Contents for 11DSNA-A-1301
Page 1: ...NEOLA INVERTER SERIES Service Manual 2013 11DSNA A 1301...
Page 18: ...16 MS11D 22CRDN1 MN10W MS11D 22HRDN1 MN10W...
Page 20: ...18 MOC 18CDN1 MN10W MOC 18HDN1 MN5W...
Page 21: ...19 MOF 22CDN1 MN5W MOF 22HDN1 MN5W...
Page 52: ...50 9 2 2 Indoor outdoor unit s communication error diagnosis and solution E1...
Page 56: ...54 9 2 5 IPM malfunction or IGBT over strong current diagnosis and solution P0...
Page 57: ...55 9 2 6 Over voltage or too low voltage protection diagnosis and solution P1...
Page 58: ...56 9 2 7 High temperature protection of compressor top diagnosis and solution P2...
Page 59: ...57 9 2 8 Inverter compressor drive error diagnosis and solution P4...