Page 28
Troubleshooting Chart
Troubleshooting Chart
TROUBLE
CAUSE
REMEDY
See air switch adjustment sheet.
Replace air switch.
Check manifold pressure and adjust to pressure
specified on rating plate. If this pressure cannot be
obtained, have gas supplier check main pressure.
Orifices have been sized for type of gas specified on
rating plate. Check with gas supplier to determine
specifications for gas being used. If different from
rating plate, contact factory and obtain proper
orifices.
Replace thermostat.
Reset/ Replace safety gas bonnet thermostat.
Replace timer.
Space 1/4" (7 mm) from burner opening
Blow out.
Adjust gas pressure per rating plate.
Send to factory for correct orifices.
Clean exhaust.
Replace direct spark igniter.
Replace orifices. Check factory for correct size.
Replace orifices. Check factory for correct size.
Make-up air must be 4 to 6 times the exhaust area of
the dryer.
Remove lint.
Must be full open- replace if not.
Adjust gas pressure per rating plate.
Check service section for recommended sizes.
Remove obstructions or lint build up from duct work.
NEVER use smaller size exhaust duct. ALWAYS use
larger size.
Replace thermostat.
Dryer runs, but no heat.
(continued)
Main burners
burning improperly.
Main burner cycles on
and off.
Low or high gas flame.
Dryer too hot.
Air switch out of adjustment.
Air switch defective.
Gas pressure too low.
Improper orifices.
Defective thermostat.
Tripped/ Defective safety gas
bonnet thermostat.
Defective timer.
Orifice location incorrect
Dirt in burner.
High gas pressure.
Orifice too large.
Restricted or blocked exhaust.
Direct spark ignition
defective.
Incorrect main burner orifices.
Incorrect main burner orifices.
Inadequate make-up air.
Lint accumulated.
Exhaust duct dampers.
High gas pressure.
Partially restricted or
inadequately sized exhaust system.
Defective thermostat.
Содержание HD30ST
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