Capacity Charging Malfunction; Energize The Unit And Wait For 1 Min - York DHM42CMB21S Service Manual

(3) Capacity charging malfunction

Main checking points:
If the wiring of the induction is connected well and if the induction is broken.
●
● If the mainboard is broken.
Flow chart:
Energize the unit and wait
for 1 min
Test the voltage between the two
ends of the electrolytic capacitor
with the DC shift of the universal
meter
The voltage is above 100V
no
Check if the induction wiring is loose
or the induction is cut off
The induction is cut off or the
wiring is loose
no
Replace the outdoor
mainboard
End
The detection circuit of
yes
the outdoor mainboard
has malfunction
yes
Replace the induction or
reconnect the loose wire
Replace the out-
door mainboard
Malfunction is eliminated
no
yes
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