INNOVAIR INVERTER VEXUS
SERVICE MANUAL
w w w . i n n o v a i r . c o m
9.1 Indoor Unit Error Display
Operation
lamp
Timer lamp
Display
LED STATUS
☆
1 time
X
E0
Indoor unit EEPROM parameter error
☆
2 times
X
E1
Indoor / outdoor units communication error
☆
3 times
X
E2
Zero-crossing signal detection error
☆
4 times
X
E3
Indoor fan speed has been out of control
☆
5 times
X
E4
Indoor room temperature sensor T1 open circuit or short
circuit
☆
6 times
X
E5
Evaporator coil temperature sensor T2 open circuit or
short circuit
☆
7 times
X
EC
Refrigerant leakage detection
☆
1 times
O
F0
Overload current protection
☆
2 times
O
F1
Outdoor ambient temperature sensor T4 open circuit or
short circuit
☆
3 times
O
F2
Condenser coil temperature sensor T3 open circuit or
short circuit
☆
4 times
O
F3
Compressor discharge temperature sensor TP open
circuit or short circuit
☆
5 times
O
F4
Outdoor unit EEPROM parameter error
☆
6 times
O
F5
Outdoor fan speed has been out of control
☆
1 times
☆
P0
IPM malfunction or IGBT over-strong current protection
☆
2 times
☆
P1
Over voltage or over low voltage protection
☆
3 times
☆
P2
High temperature protection of IPM module
☆
4 times
☆
P3*
Outdoor ambient temperature too low.
☆
5 times
☆
P4
Inverter compressor drive error
☆
7 times
☆
P6
Low pressure protection(Only for 36K models)
O
(
light
)
X
(
off
)
☆(
flash
)
*P3
1) In heating mode, when the outdoor temperature is lower than -25
℃
for 1 hour, the indoor unit
display error code P3.
2) If the outdoor temperature is higher than -22
℃
for 10 minutes and compressor stop for 1 hour or
outdoor temperature is higher than -5
℃
for 10 minutes, then the unit will return to work.
* Fault Symptom:
The display board shows a garbled code or a code that is not an error code found
in the service manual nor a temperature reading.
Trouble shooting:
Use the remote controller. If the unit does not respond to the remote, the indoor PCB needs to be
replaced; if the unit does respond, then the display board needs to be replaced.
34
Summary of Contents for Vexus VIN310C2V31
Page 9: ...INNOVAIR INVERTER VEXUS SERVICE MANUAL For VIN520C2V31 TIN520H2V33 For VIN625C2V31 7 ...
Page 13: ...INNOVAIR INVERTER VEXUS SERVICE MANUAL For VIN625C2V31 11 ...
Page 22: ...INNOVAIR DC INVV ERTER QUANTUM SERVICE MANUAL w w w i n n o v a i r c o m VIN625C2V31 20 ...
Page 23: ...INNOVAIR INVERTER VEXUS SERVICE MANUAL 6 2 Outdoor Unit VIN310C2V31 VIN414C2V31 21 ...
Page 24: ...INNOVAIR INVERTER VEXUS SERVICE MANUAL w w w i n n o v a i r c o m VIN520C2V31 VIN625C2V31 22 ...
Page 48: ...INNOVAIR INVERTER VEXUS SERVICE MANUAL w w w i n n o v a i r c o m P W N U 46 ...
Page 49: ...INNOVAIR INVERTER VEXUS SERVICE MANUAL N V N W 47 ...