mundoclima H11 Series, Service Manual

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37
MUPR-09/12/18/24-H11-I ; MUPR-09/12/18/24-H10X-I
Running
Lamp
Timer Lamp Display Error Information
1 time OFF
EH 00/EH
0A
Indoor unit EEPROM parameter error
2 times OFF EL 01 Indoor/outdoor unit communication error
3 times OFF EH 02 Zero-crossing signal detection error
4 times OFF EH 03
The indoor fan speed is operating outside of the
normal range
5 times OFF EC 51 Outdoor unit EEPROM parameter error
5 times OFF EC 52
Condenser coil temperature sensor T3 is in open
circuit or has short circuited
5 times OFF EC 53
Outdoor room temperature sensor T4 is in open
circuit or has short circuited
5 times OFF EC 54
Compressor discharge temperature sensor TP is in
open circuit or has short circuited
5 times OFF EC 56
Evaporator coil outlet temperature sensor T2B is in
open circuit or has short circuited(for free-match
indoor units)
6 times OFF EH 60
Indoor room temperature sensor T1 is in open circuit
or has short circuited
Service manual
MUEX-
H11 series
6 times OFF EH 61
Evaporator coil middle temperature sensor T2 is in
open circuit or has short circuited
12 times OFF EC 07
The outdoor fan speed is operating outside of the
normal range
9 times OFF EH 0b Indoor PCB/Display board communication error
8 times OFF EL 0C Refrigerant leakage detection
7 times FLASH PC 00
IPM malfunction or IGBT over-strong current
protection
2 times FLASH PC 01 Over voltage or over low voltage protection
3 times FLASH PC 02
Top temperature protection of compressor or High
temperature protection of IPM module or High
pressure protection
5 times FLASH PC 04 Inverter compressor drive error
1 time FLASH PC 08 Current overload protection
7 times FLASH PC 03 Low pressure protection
1 times ON -- Indoor units mode conflict