
Troubleshooting Chart
TROUBLE | CAUSE | REMEDY |
|
|
|
Dryer runs, but no heat | Line fuse or heater circuit fuse | Replace fuse. |
(continued). | blown to unit |
|
| Defective door switch | Check continuity across contacts, opened & closed. If |
|
| defective, replace door switch. |
|
|
|
| Air switch not operating | Clean out lint compartment daily. Check back draft |
|
| damper for foreign objects, lint accumulation or other |
|
| causes that may prevent damper from opening. Check |
|
| duct work for lint |
|
| to ensure duct work and |
|
| properly 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 of water column, or less, for normal |
|
| operation of dryer, vacuum reading (in inches of water |
|
| column) should range between .15 and .3 inches. |
|
| Vacuum reading can be made with a vacuum |
|
| by removing a sheet metal screw in the back panel or |
|
| right panel at front bottom corner and inserting the |
|
| rubber tube of the vacuum gauge into screw opening. |
|
|
|
| Air switch out of adjustment | Refer to Air Switch Adjustment section. |
|
|
|
| Air switch defective | Check continuity across contacts, opened and closed. |
|
| If defective, replace switch with power off. Check |
|
| manifold pressure and adjust to pressure specified on |
| Gas pressure too low | rating plate. If this pressure cannot be obtained, have |
|
| gas supplier check main pressure. |
|
|
|
| Improper orifice | Dryer is orificed for type of gas specified on rating |
|
| plate. Check with gas supplier to determine specifica- |
|
| tions for gas being used. If different from rating plate, |
|
| contact factory to obtain proper orifices. |
|
|
|
| Electric power to heating unit | Turn power on. |
| turned off |
|
|
|
|
Page 15