Troubleshooting Chart

TROUBLE

CAUSE

REMEDY

 

 

 

Dryer does not stop at

Defective timer

Replace timer.

end of time period (6).

 

 

 

 

 

Dryer runs no steam to

Valve closed

Check all valves in steam supply and return, make

coils.

 

sure they are open.

 

Steam trap blocked

Remove and clean. Replace if defective.

 

 

 

 

Solenoid valve

On dryers using solenoid temperature control, check

 

 

operation of solenoid valve by advancing thermo-

 

 

stat.

 

Thermostat

On dryers using solenoid temperature control,

 

 

thermostat controls operation of solenoid valve. If

 

 

defective, replace thermostat.

 

 

 

 

Check valve installed

Check for inlet and outlet marking on check valve,

 

incorrectly

and invert if necessary.

 

 

 

 

Strainer clogged

Remove plug and blow down strainer or remove and

 

 

clean thoroughly if heavily clogged.

 

 

 

Water in steam line.

Steam piping installed

Refer to Installation Manual for proper steam pipe

 

incorrectly

installation instructions.

 

 

 

 

Trap not functioning

Check trap for size and capacity. If dirty and

 

 

sluggish, clean thoroughly or replace. Check return

 

 

line for high back pressure, or another trap charging

 

 

against the trap functioning improperly.

 

 

Check voltage to damper motors.

No heat to drum

Dampers not operating

Adjust dampers to close when calling for heat.

 

correctly

 

 

 

 

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