Cissell HD125, Owner'S Manual

Page: 32 / 66

Page 32
Troubleshooting Chart
Check for correct control voltage - 24V.
Check power supply, check secondary voltage on trans-
former and check wiring and wiring diagram.
CLOSE Lint Door.
Replace Valve Assembly.
Turn Manual Gas Valve ON.
Replace fuse.
Replace Door Switch.
Check ground.
Clean out lint compartment daily. Check Back Draft Damper
for foreign objects, lint accumulation or other causes that
may prevent damper from operating. Check duct work for
lint build-up. Check installation sheet to insure that duct
work and make-up air openings are adequately sized. Check
exhaust outlet. If a screen has been improperly installed on
the outlet, it may be clogged with lint or frozen over in
winter. Never install a screen on the exhaust outlet. Vacuum
within dryer drops to .09 inches or water column, or less, for
normal operation of dryer, vacuum reading can be made with
a Vacuum U-Gauge by removing a sheet metal screw in the
front panel of dryer, and inserting the rubber tube of the
vacuum gauge into screw opening.
See Air Switch Adjustment Sheet in Service Manual.
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.
Dryer is orificed 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.
Turn power ON.
Replace relay.
Replace thermostat.
Replace thermostat.
CLOSE door.
Incorrect voltage.
No voltage.
Lint Door OPEN.
Defective Gas Valve.
Gas turned OFF.
Line fuse or heater
circuit fuse blown to
unit.
Defective Door
Switch.
Spark Igniter not
igniting gas.
Air Switch not
operating.
Air Switch out of
adjustment.
Air Switch defective.
Gas pressure too low.
Improper orifice.
Electric power to
heating unit turned
OFF.
Defective relay.
Defective
thermostat.
Defective Safety
Overload
Thermostat.
Lint compartment
door OPEN.
TROUBLE CAUSE REMEDY
Dryer runs, but no heat.