Alliance Laundry Systems BU170S Service Manual Page 22

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  • TROUBLESHOOTING
  • BOOKMARKS
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20
70422201R1
Troubleshooting
7. Gas Burner Does Not Ignite
Gas burner
does not ignite
Is exhaust
system
inadequate?
Refer to the
Installation
Manual for
exhaust system
requirements.
Is
thermostat
inoperative?
Test thermostat
and replace if
inoperative.
Is gas
supply
insufficient?
Open partially closed gas
shut-off valve or correct low
gas pressure. Check
manifold pressure and
adjust to pressure specified
on serial plate. If pressure
cannot be obtained, have
gas supplier check main
pressure.
Are orifices
incorrect?
Tumbler is equipped for
type of gas specified on
serial plate. If orifices
are different from that
specified on serial
plate, obtain and install
proper orifices.
TMB2363S
Are gas valve
coils
inoperative?
Test coils and
replace if
inoperative.
Is make-up
air or
ductwork
inadequate?
Refer to
Installation
Manual to ensure
that ductwork and
make-up air
openings are sized
properly.
Is airflow
switch
inoperative?
Test switch and
replace if
inoperative.
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Is there
broken, loose
or incorrect
wiring?
Refer to wiring
diagram located on
back of tumbler or
in literature packet.
Is there
improper fan
rotation?
May be due to
improper wiring
resulting in low
airflow. Refer to
Installation
Manual.
Yes
No
Yes
Is there lint
buildup?
Clean lint
compartment after
every eight-hour
shift. Check back
draft damper for lint
accumulation.
Check ductwork for
lint build-up.
Yes
No
TMB2363S
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