Power Factor Correct Or (Pfc) Fault (A Fault Of Outdoor Unit) - Tadiran Telecom SMVH09A-2A1B1NA Service Manual

(7) Power factor correct or (PFC) fault (a fault of outdoor unit) (AP1 here in after refers to the control board of the outdoor unit)
Mainly detect:
● Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken.
Fault diagnosis process:
Start
Check wiring of the
reactor (L) of the
outdoor unit and the
PFC capacitor
Whether there is any
damage or
short-circuit?
No
Remove the PFC capacitor
and measure resistance
between the two terminals.
Is the resistance around zero?
No
Disconnect the terminals for the
reactor and measure the resistance
between the two terminals of the
reactor by an ohm gauge
Whether there is any damage
or short-circuit?
No
Replace the control
panel AP1
End
Replace it as per the
Yes
wiring diagram and
reconnect the wires
The capacitor is
Yes
short circuited and
the capacitor
should be repla-
ced
Yes
Replace the reactor
No
Restart the unit If the fault is eliminated?
No
Restart the unit
No
Troubleshooting
If the fault is eliminated?
If the fault is eliminated?
Yes
Yes
Yes
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