Symptom Probable Cause Suggested Remedy
Tumbler turns,
ignition sparks,
no ame
Gas supply Make sure gas supply is working.
Gas pressure Make manometer check of gas pressure.
Adjust if necessary.
Spark electrode sensor Check for damage to electrode or
mounting. Replace if necessary.
Gas valve Check coil continuity, replace valve if
failed.
Ignition Control Check for 24VAC to gas valve coils. If no
voltage replace ignition control.
Burner Lights,
but goes on
and o
Electrodes Check low voltage harness for possible
wire break or cuts to allow no signal back
to ignition control
Slow drying Temperature Setting Check program for correct high
temperature setting. Adjust if necessary.
Air ow restrictions
necessary
1. Check lint screen and clean if
necessary.
2. Check exhaust for correct length and
clean if necessary.
3. Check exhaust damper to insure that it
opens when dryer is running and closes
when dryer is not in use.
4. Check makeup air to insure that it
is adequate. Increase makeup air if
necessary.
5. Check static Back pressure no more
than .3
Temperature sensor The temperature sensor should have
between 30,000 ohms and 60,000 ohms
resistance at room temperature if okay.
Replace if not in this range.
74
Part # 8533-090-001 7/21
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