Sharp R-8320E

Is 220/24OV AC
Check shut-off
relay MY 4)
circuit
Check damper switch or
poor contact of damper
switch connector.
Check and replace
damper motor
Is normal
voltage
applied
to each relay coil ?
Yes
>
Defective
Relay
No
to each relay in parallel
Yes
Replace
Diode
I
Yes
Replace D3 and D5 or
correct soldering.
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