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1.3 Outdoor unit malfunction
Display
Malfunction or Protection
E0
Outdoor EEPROM malfunction
E2
Indoor / outdoor units communication error
E3
Communication malfunction between IPM board and outdoor main board
E4
Open or short circuit of T3, T4, TP (Sonda Descarga) o TH (Sonda Disipador)
E5
Voltage protection of compressor
P0
Top temperature protection of compressor
P1 High pressure protection(Only for 48K~60K)
P2 Low pressure protection(Only for 48K~60K)
P3
Current protection of compressor
P4
Discharge temperature protection of compressor
P5
High temperature protection of condenser
P6
IPM module protection
P7
High temperature protection of evaporator
1. E0 malfunction
If the EEPROM chip
is welded on PCB,
replace the PCB
directly. Otherwise,
check whether the
EEPROM chip
plugged in PCB well?
Yes
No
Yes
Insert the EEPROM well
Replace the outdoor main board
Outdoor EEPROM malfunction
E0 display
Service manual
Inverter HF
67
Summary of Contents for MUCR-HF
Page 5: ...Part 2 Indoor Units Super Slim Cassette Type 6 Duct Type 20 Service manual Inverter HF 5 ...
Page 11: ...2 Dimensions Model A H MUCSR 48 HF 287 317 287 317 MUCSR 60 HF Service manual Inverter HF 11 ...
Page 12: ...3 Service Space 1000mm 1000mm 1000mm 1000mm Service manual Inverter HF 12 ...
Page 13: ...4 Wiring Diagrams MUCSR 48 HF UI20605 MUCSR 60 HF UI20606 Service manual Inverter HF 13 ...
Page 26: ...4 Wiring Diagrams MUCR 48 HF UI20601 MUCR 60 HF UI20602 Service manual Inverter HF 26 ...
Page 64: ... Part 5 1 Troubleshooting 65 Troubleshooting Service manual Inverter HF 64 ...
Page 69: ...3 E3 malfunction Service manual Inverter HF 69 ...
Page 70: ...4 E4 malfunction NOTA Revisar todas las sondas Service manual Inverter HF 70 ...
Page 73: ...7 P1 malfunction Service manual Inverter HF 73 ...
Page 74: ...8 P2 malfunction Service manual Inverter HF 74 ...
Page 75: ...9 P3 malfunction Service manual Inverter HF 75 ...