Damper Opens And Never Closes - Fisher & Paykel RX256DT4X1 FP Service Manual

321023
8.4.4

Damper Opens and Never Closes

Measure voltage
from pin 7 on J2 to
pin 6 on J1.
Using wiring
diagram (refer ?)
check continuity of
display harness,
control harness
and FZ liner.
Replace faulty
Replace damper.
Use Service Test
No
Do you
No Replace control
read line
board 12784415P.
voltage?
Yes
harness.
Is damper
wired
correctly?
Yes
6 to close the
damper.
Does the
Yes
damper move to
the closed
position?
No
66
Use Service Test
6 to open the
damper.
Exit service mode
Does the
and observe the
damper
damper.
close?
Yes
Done.