Sinclair Alpha Inverter Series Manual page 53

Outdoor Unit
(1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel)
Main Check Points:
●Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC.
●Is the reactor (L) correctly connected? Is the connection loose or fallen? Is the reactor (L) damaged?
Fault diagnosis process:
50
Troubleshooting for
F1,F2 malfunction
Is
the wiring terminal between the
temperature sensor and the controller
loosened or poorly contacted?
no
Is there short circuit due to trip - over of
the parts?
no
Is the
temperature sensor normal according
to the Resistance
Table?
yes
Replace the mainboard
with the same model.
End
yes
Insert the temperature
sensor tightly
Is malfunction
no
eliminated
yes
Make the parts upright
Is malfunction
no
eliminated
no
Replace it with a
temperature sensor
with the same model
Is malfunction
no
removed
yes
Service Manual
yes
yes
Installation and Maintenance