9.4.2.2
E2(Communication malfunction between indoor and outdoor units) error diagnosis and solution.
Error Code
E2
Malfunction decision
conditions
Indoor unit does not receive the feedback from outdoor unit
during 120 seconds or outdoor unit does not receive the
feedback from any one indoor unit during 180 seconds.
Supposed causes
●
Wiring mistake
●
Indoor or outdoor PCB faulty
Trouble shooting:
Содержание M2OC-18HFN1-M
Страница 19: ...8 Wiring Diagrams 8 1 Wiring diagram of 1 drive 2 outdoor M2OC 18HFN1 M M2OD 18HFN1 M...
Страница 20: ...PCB board of M2OC 18HFN1 M M2OD 18HFN1 M...
Страница 21: ...IPM board of M2OC 18HFN1 M...
Страница 22: ...IPM board of M2OD 18HFN1 M...
Страница 23: ...8 2 Wiring diagram of 1 drive 3 outdoor M3OD 27HRDN1 M M3OC 30HRFN1 M...
Страница 24: ...PCB board of M3OC 30HRFN1 M...
Страница 25: ...IPM board of M3OC 30HRFN1 M...
Страница 26: ...PCB board of M3OD 27HRDN1 M...
Страница 27: ...IPM board of M3OD 27HRDN1 M...
Страница 28: ...8 3 Wiring diagram of 1 drive 4 outdoor M4OC 36HRFN1 M...
Страница 29: ...PCB board of M4OC 36HRFN1 M...
Страница 30: ...IPM board of M4OC 36HRFN1 M...
Страница 31: ...PFC board of M4OC 36HRFN1 M...
Страница 66: ...IPM for dual tri zone IPM for qua zone P N for dual tri zone...
Страница 67: ...P N for qua zone...
Страница 68: ...bridge rectifier for dual tri zone bridge rectifier for qua zone...
Страница 69: ...Remark Measure the DC voltage between and port The normal value should be 190V 250V...
Страница 71: ...Two ports of the inductance Inductance...
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Страница 96: ...6 EXV check Disconnect the connectors...
Страница 97: ...Resistance to EXV coil Color of lead wire Normal Value Red Blue About 50 Red Yellow Brown Orange Brown White...
Страница 98: ...Red Blue Red Yellow...
Страница 99: ...Brown Orange Brown White...
Страница 114: ...Screws of front panel Screws of right rear panel Screws of top cover...
Страница 122: ...Screws of big handle Screws of right rear panel Screws of water collector Screws of terminal board...
Страница 128: ......