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TROUBLE SHOOTING
4)
Failed steam damper 24 VAC pneumatic solenoid switch.
5)
Failed steam damper piston.
6)
Steam damper stuck closed.
7)
Air flow control valve restricting incoming compressed air.
16. No heat...ELECTRIC MODELS ONLY.
1)
Fault in sail switch circuit.
a.
Sail switch out of adjustment and / or faulty (failed).
b.
Sail switch not closing or fluttering
- Check impeller (fan / blower) motor and rotation direction.
- Restrictions in the location exhaust system.
2)
Failed oven hi – limit.
3)
Failed lint compartment automatic (200°) safety thermostat.
4)
Failed oven contractor (relay).
5)
Failed microprocessor controller (computer).
17. Dryer operates but is taking too long to dry.
1)
Exhaust duct work run too long or is undersized...back pressure cannot exceed 0.3 inches
W .C.
2)
Restriction in exhaust.
a.
Customer furnished exhaust back draft damper is sticking partially closed.
b.
Restriction in the duct work...check duct work from dryer all the way to the
outdoors.
3)
Low and / or inconsistent gas pressure (for GAS MODELS ONLY).
4)
Insufficient make – up air.
5)
Poor air / gas mixture at burner...yellow or poor flame pattern. Adjust gas burner air
adjustment shutters (for GAS MODELS ONLY).
6)
Lint drawer / screen not being cleaned on a regular basis or often enough.
7)
Extractors (washers) not performing properly.
8)
Sail switch is fluttering...restriction in exhaust (for GAS MODELS ONLY).
9)
Failed microprocessor controller (computer)...temperature calibration is inaccurate.
10) Failed microprocessor temperature sensor calibration is inaccurate.
11) Failed burner hi – limit (for GAS MODELS ONLY).
12) Failed lint chamber hi-heat protector thermostat.
13) Steam damper system not functioning properly (for STEAM MODELS ONLY).
a.
Steam damper sticking closed.
b.
Leak in the pneumatic system.
c.
Flow control incorrectly set.
7-4
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