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MDC Troubleshooting – Dryer Control
43. No Visible Display on Dryer Control
Replace the
control.
Correct wirin
g
between the
tran
s
former and
the control.
Replace the
tran
s
former.
I
s
there 24 volt
s
AC
acro
ss
terminal
s
H1-
3
and H1-1 on the
control
?
Correct wirin
g
to the
primary of the
tran
s
former. Make
s
ure the machine i
s
plu
gg
ed in and
power i
s
on.
I
s
there 24 Volt
s
AC
acro
ss
the
s
econdary
of the tran
s
former
?
I
s
there 120 (U.
S
.)
or 240 (over
s
ea
s
) volt
s
AC to the primary of
the tran
s
former
?
(2)
(
3
)
NO
YE
S
YE
S
YE
S
NO
NO
NOTE: Refer to wirin
g
dia
g
ram for primary
volta
g
e.
No Di
s
play
Dw
g
. 1
DRY
3
51_
S
1
2
3