27MSPA-1-AS
Do you read ā230 VAC
between Line 1 (L1) and
neutral and between
Line 2 (L2) and neutral
on the board?
Verify if the top side control
is properly connected.
All eight pins should
be properly plugged in
& the black wire
oriented to the top.
If nothing is still displayed on the
top side control, replace
the transformer fuse (F6).
The electrical
wiring is
defective.
Call an electrician!
Replace the board.
yes no
If nothing seems to work, follow the troubleshooting flow chart below to
identify the source of the problem.
Clean the pins of the transformer
orange connector using a
screwdriver (a small coating of film
may cause a bad connection).
Replace the transformer.
Verify the input supply wiring!
TROUBLESHOOTING"Nothing Works!" Flow Chart