ODMI-1103-A
8.3.12 PFC module protection
No
No
Yes
Check whether the power
supply of bridge rectifiers
output port is 325VDC
Replace bridge rectifiers
Does the unit work
normally ?
No
Check whether the
power supply of bridge
rectifiers input port is
normal.
Replace the
outdoor PCB
Yes
Replace the PFC inductance
Check whether the
voltage between P and
N port in IPM is 380V.
No
Replace outdoor e-box.
Yes
Check
whether
the
wiring between PCB
and PFC module is
normal.
Yes
No
Check the voltage of power supply, if the voltage
is about 220V, turn off the power supply and
turn it on again after 1 minute
Yes
Check whether
the PFC
inductance is
normal.
Replace PFC
Summary of Contents for M2OC-14HRDN1
Page 6: ...ODMI 1103 A 4 Wiring Diagram 4 1 M2OC 14HRDN1 Q 4 2 M2OC 14HRDN1...
Page 7: ...ODMI 1103 A 4 3 M2OC1 18HRDN1 Q M3OC1 21HRDN1 Q 4 4 M2OC 18HRDN1 M3OC 27HRDN1...
Page 8: ...ODMI 1103 A 4 5 M3OC1 27HRDN1 Q M4OC 24HRDN1 Q 4 6 M4OC1 27HRDN1 Q M4OC 27HRDN1...
Page 9: ...ODMI 1103 A 4 7 M4OC 36HRDN1 4 8 M5OA 36HRDN1 Q...
Page 11: ...ODMI 1103 A 5 4 Refrigeration circuit drawing of inverter quintuple type...