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 10
T r o u b l e s h o o T i n g T r e e s
E S / E S I / E S G — E - 3 5 / E - 5 5 V e n t i n g E r r o r s
Is there 12 VDC at pin 1
of the X-05 connector at the low
voltage relay board (RBL)?
Correct wiring issue
between power supply
board and X-5 connector
on RBL.
No
Yes
Replace faulty vent motor
assembly.
Is motor rotating?
Determine which leg of the 12 VDC
is missing and correct.
• V+ is switched from X-5 pin 3 off
of RBL — Repair issue.
• V- is supplied off the power supply
— Repair connection issue
No
Yes
No
Yes
Is there 12 VDC out
of the X-05 connector at pin 3?
Power control off and then back
on. After control screen loads the
browning vent motor should be
energized and the motor should
make one full rotation to the
closed vent position. If the RBL
does not output 12 VDC at this
time, replace RBL.
Is there 12 VDC at the
browning vent motor?
No
No
No
Yes
Yes
Yes
Does the valve stop in the
closed position?
Is there 5 VDC across pins
6-7 at the X-05 connector
on the RBL?
Vent motor assembly is
working properly.
Replace faulty vent motor
assembly due to failed
micro-switch.
Test browning valve micro switch. Valve closed = switch open.
• If switch is closed, check switch alignment to cam and/or
replace faulty valve/motor assembly due to failed switch.
• If motor continues to rotate, check connections at the switch
and at pins 6-7 of the X-05 connector of the RBL.
Summary of Contents for CombiTouch 7.14es
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