32
9.3.2 Indoor / outdoor unit
’
s communication diagnosis and solution(E1)
Error Code
E1
Malfunction decision
conditions
Indoor unit does not receive the feedback from outdoor unit during
110
seconds and this condition happens four times continuously.
Supposed causes
●
Wiring mistake
●
Indoor or outdoor PCB faulty
Trouble shooting:
Summary of Contents for MSMBB-12CRDN1-MP0W
Page 7: ...5 2 2 Part names of Indoor Outdoor units ...
Page 9: ...7 For MSMBB 12CRDN1 MP0W For MSMBC 18CRDN1 MP0W For MSMBD 22CRDN1 MP5W ...
Page 13: ...11 MOF1 22CDN1 MP5W ...
Page 25: ...23 ...
Page 32: ...30 MOF1 22CDN1 MP5W ...
Page 36: ...34 9 2 3 Zero crossing detection error diagnosis and solution E2 ...
Page 39: ...37 supply or 50V 115V power supply the PCB must has problems and need to be replaced ...
Page 45: ...43 P W N U ...
Page 46: ...44 N V N W ...