T r o u b l e s h o o T i n g T r e e s
T
r o u b l e s h o o T i n g
T
r e e s
• E
l E c t r i c
c
o m b i t h E r m
c
o m b i
t
o u c h
t
E c h n i c a l
S
E r v i c E
m
a n u a l
• D 9
E S / E S I / E S G — E - 5 3 / E - 5 4 F a n M o t o r T e m p e r a t u r e E r r o r
Is there 0 VDC (switch closed) across
motor high limit switch (MHL) measured
at the X-02 terminal of the low
voltage relay board?
If voltage is present, switch is
open. If motor is hot, wait for
motor to cool down and retest.
No
Yes
Are the MHL wire installed at the
appropriate places on the X-02
low voltage relay board?
Correct wiring issue and retest.
If motor is hot, wait for motor
to cool down and retest.
Is motor cool and
switch open?
Replace faulty motor due
to failed MHL switch.
No
Yes
No
Yes
Summary of Contents for CombiTouch 7.14es
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