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16.4 Diagnosis and Solution
16.4.1 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 CTBU-09HWFN1-M(C)
Страница 8: ...5 2 2 Part names of Indoor Outdoor units Cassette Units...
Страница 9: ...6 A5 Duct Units A6 Duct Units...
Страница 10: ...7 Console Units...
Страница 11: ...8 Ceiling floor Units...
Страница 12: ...9 HESP DUCT Units...
Страница 21: ...18 2 3 4 7 Outside Water Pump for Optional When Ceiling Installation...
Страница 29: ...26 Console Units 1 6 D ra in p ip e 1 9 5 H a n g in g a rm U n it m m 7 0 0 6 0 0 2 1 0...
Страница 36: ...33 Console Units Ceiling floor Units...
Страница 41: ...38 CFAU 09HRFN1 M C CFAU 12HRFN1 M C MCD 36HRFN1 M C MCD 48HRFN1 M D...
Страница 42: ...39 CTBU 36HWFN1 M C CTBU 48HWFN1 M C...
Страница 43: ...40 MUEU 18HRFN1 M C MUEU 24HRFN1 M C MUE 36HRFN1 M C...
Страница 44: ...41 MUE 48HRFN1 M C MUE 60HRFN1 MW...
Страница 45: ...42 MUE 36HRFN1 M C MUE 48HRFN1 M C...
Страница 46: ...43 MUE 60HRFN1 MW MTIU 09HWFN1 M MTIU 12HWFN1 M MTIU 18HWFN1 M MTIU 24HWFN1 M...
Страница 49: ...46 MOBA30 09HFN1 MT0W MOB30 12HFN1 MT0W...
Страница 50: ...47 MOD30 24HFN1 MT0W MOD01 23HFN1 MT0W...
Страница 51: ...48 MOD30U 36HFN1 M...
Страница 57: ...54 CTBU 09HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 58: ...55 CTBU 12HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 59: ...56 CTBU 18HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 60: ...57 CTBU 24HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 61: ...58 CTB 36HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 62: ...59 CTB 48HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4...
Страница 78: ...75 12 Field Wiring 9K 24K 36K 48K 60K...
Страница 79: ...76...
Страница 129: ...126 P U P V...
Страница 130: ...127 P W P N...
Страница 147: ...144...
Страница 157: ...154 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw...
Страница 193: ...190 5 Remove the four fixing screws of the fan motor then remove the motor 5...
Страница 206: ...203 6 Remove the grounding screw 7 Remove the Wires 1 2 3 or L1 L2 S Then remove the electronic control box 7...