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16.3 Diagnosis and Solution
16.3.1 EEPROM parameter error diagnosis and solution (E0/F4)
Error Code
E0/F4
Malfunction conditions
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
Potential causes
●
Installation mistake
●
Faulty PCB
Trouble shooting:
Yes
Replace the indoor/outdoor
main PCB.
Power off, then restart the
unit 2 minutes later. Does
a problem still remain?
EEPROM: a type of read-only memory. The contents can be erased and reprogrammed using a
pulsed
voltage. To locate the EEPROM chip,
Indoor PCB
Outdoor PCB
Note: The two photos above are only for reference purposes only. The design of the devices
depicted may vary by model.
Содержание MUE-48HRFN1-M
Страница 8: ...5 2 2 Part names of Indoor Outdoor units Cassette Unit...
Страница 9: ...6 Duct Units...
Страница 10: ...7 Console...
Страница 11: ...8 Ceiling floor Units...
Страница 28: ...25 Model W D H W1 A B MOE30U 48HFN1 M mm 952 415 1333 1045 634 404 inch 37 5 16 3 52 5 41 1 25 0 15 9...
Страница 30: ...27 Console Unit Ceiling floor Units...
Страница 34: ...31 CFAU 09HRFN1 M C CFAU 12HRFN1 M C MCD 36HRFN1 M C MCD 48HRFN1 M D...
Страница 35: ...32 CTBU 36HWFN1 M C CTBU 48HWFN1 M C...
Страница 36: ...33 MUEU 18HRFN1 M C MUEU 24HRFN1 M C MUE 36HRFN1 M C...
Страница 37: ...34 MUE 48HRFN1 M C MUE 36HRFN1 M C MUE 48HRFN1 M C...
Страница 39: ...36 MOBA30 09HFN1 MT0W MOB30 12HFN1 MT0W...
Страница 40: ...37 MOD30 24HFN1 MT0W MOD01 23HFN1 MT0W...
Страница 41: ...38 MOD30U 36HFN1 M...
Страница 47: ...44 CTBU 09HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 48: ...45 CTBU 12HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 49: ...46 CTBU 18HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 50: ...47 CTBU 24HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 51: ...48 CTB 36HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 52: ...49 CTB 48HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 61: ...58 12 Field Wiring 36K 48K...
Страница 106: ...103 P U P V...
Страница 107: ...104 P W P N...
Страница 123: ...120 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw...
Страница 155: ...152 5 Remove the four fixing screws of the fan motor then remove the motor 5...
Страница 168: ...165 6 Remove the grounding screw 7 Remove the Wires 1 2 3 or L1 L2 S Then remove the electronic control box 5 7...