111
16.3.2 Communication malfunction between indoor and outdoor units diagnosis and solution
(E1)
For 9K-24K:
Error Code
E1
Malfunction conditions If the indoor unit does not receive feedback from outdoor unit for
110 seconds 4 consecutive times.
Potential causes
●
Wiring mistake
●
Faulty indoor or outdoor PCB
Trouble shooting:
Measure Vs, is it positive fluctuation?
(Vs is the voltage between 3 and 2 of
outdoor unit. Red pan-3, Black pan-2)
Measure Vs, is it positive fluctuation?
(Vs is the voltage between 3 and 2 of
outdoor unit. Red pan-3, Black pan-2)
Yes
Power off, then restart the unit 2 minutes later
Power off, then restart the unit 2 minutes later
No
Replace the outdoor main PCB.
Power on. Is the error
extinguished?
Replace the outdoor main PCB.
Power on. Is the error
extinguished?
Check the outdoor wiring connection
Check the outdoor wiring connection
Replace the indoor main PCB.
Power on. Is the error
extinguished?
Replace the indoor main PCB.
Power on. Is the error
extinguished?
Yes
Replace the outdoor main PCB.
Replace the outdoor main PCB.
No
Replace the indoor main PCB.
Replace the indoor main PCB.
No
Check the indoor wiring connection
Check the indoor wiring connection
Yes
Yes
Check whether reactor
is normal?
Check whether reactor
is normal?
Yes
Replace the reactor
Replace the reactor
No
Содержание CCA3U-09HRFN1-MC
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 31: ...28 Console Units 16 Drain pipe 195 Hanging arm Unit mm 700 600 210 ...
Страница 38: ...35 Console Units Ceiling floor Units ...
Страница 43: ...40 CFAU 09HRFN1 M C CFAU 12HRFN1 M C MCD 36HRFN1 M C MCD 48HRFN1 M D ...
Страница 44: ...41 CTBU 36HWFN1 M C CTBU 48HWFN1 M C ...
Страница 45: ...42 MUEU 18HRFN1 M C MUEU 24HRFN1 M C MUE 36HRFN1 M C ...
Страница 46: ...43 MUE 48HRFN1 M C MUE 60HRFN1 MW ...
Страница 47: ...44 MUE 36HRFN1 M C MUE 48HRFN1 M C ...
Страница 48: ...45 MUE 60HRFN1 MW MTI 18HWFN1 MT0W MTIU 24HWFN1 MW ...
Страница 49: ...46 MTIU 36HWFN1 MW MTIU 48HWFN1 MW MHG 60HWFN1 MW ...
Страница 51: ...48 MOBA30 09HFN1 MT0W MOB30 12HFN1 MT0W ...
Страница 52: ...49 MOD30 24HFN1 MT0W MOD01 23HFN1 MT0W ...
Страница 53: ...50 MOD30U 36HFN1 M ...
Страница 59: ...56 CTBU 09HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 60: ...57 CTBU 12HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 61: ...58 CTBU 18HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 62: ...59 CTBU 24HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 63: ...60 CTB 36HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 64: ...61 CTB 48HWFN1 M C Code 0 Code 1 Code 2 Code 3 Code 4 ...
Страница 74: ...71 12 Field Wiring 36K 48K 60K ...
Страница 123: ...120 P U P V ...
Страница 124: ...121 P W P N ...
Страница 141: ...138 ...
Страница 151: ...148 4 Remove the evaporator support board 5 Screw off the fixing screws to remove the evaporator 4 screws 1 screw ...
Страница 187: ...184 5 Remove the four fixing screws of the fan motor then remove the motor 5 ...
Страница 200: ...197 6 Remove the grounding screw 7 Remove the Wires 1 2 3 or L1 L2 S Then remove the electronic control box 7 ...