Page 38
Check for correct control voltage - 24V.
Check power supply, check secondary voltage on transformer
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.
Open 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 operat-
ing.
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.
TROUBLESHOOTING CHART
Содержание HD170
Страница 12: ...Page 12 GAS DRYER DIMENSIONS ...
Страница 13: ...Page 13 STEAM DRYER DIMENSIONS ...
Страница 18: ...Page 18 GAS PIPING INSTALLATION ILLUSTRATION ...
Страница 26: ...Page 26 DRYER INSTALLATION WITH MULTIPLE EXHAUST ILLUSTRATION ...
Страница 33: ...Page 33 OPERATING INSTRUCTIONS TWO TIMER MODELS ...
Страница 41: ...Page 41 DIRECT SPARK IGNITION OPERATION FLOW CHART ...
Страница 43: ...Page 43 BURNER AIR INLET ADJUSTMENT BURNER AIR INLET ADJUSTMENT ...
Страница 44: ...Page 44 BASKET ALIGNMENT FOR DRYERS WITH TM200 GEAR REDUCER ...
Страница 53: ...Page 53 REAR VIEW TM200 GEAR REDUCER See following page for partnumbers ToGearM otor ...
Страница 55: ...Page 55 REAR VIEW GEAR MOTOR See following page for partnumbers ToGearM otor ToFanM otor ...
Страница 75: ...Page 75 ...