L a c k o f p h a se
L a c k o f p h a se
YES
Rep
lace the outdoor m ain PCB
Replace the outdoor m ain PC B
is it 3 phase, 220-230V ?
is it 3 phase, 220-230V ?
YES
Is
the voltage in outdoor term inal is 3
phase, 220-230V ?
Is the voltage in outdoor term inal is 3
phase, 220-230V ?
Check the pow er supply
Check the pow er supply
Check the connection betw een pow er supply
and term inal
Check the connection betw een pow er supply
and term inal
Restart the unit w hen the pow er
supply returns to norm al
Restart the unit w hen the pow er
supply returns to norm al
NO
Reconnect the pow er w iring
Reconnect the pow er w iring
NO
is the pow er w iring
w ire d co rre c tly ?
is the pow er w iring
w ire d co rre c tly ?
NO
YES