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S. Dryer operates but is taking too long to dry ...
1. Exhaust duct work run too long or is undersized...back pressure cannot exceed .3 inches Water Column
(W.C.).
2. Restriction in exhaust ...
a. Exhaust back draft damper is sticking partially closed.
b. Restriction in 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 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.
T. Condensation on main door glass ...
1. Too long, undersized, or improperly installed duct work.
2. Dryer connected to common exhaust duct with another dryer and no back draft damper was installed in
customer furnished duct work.
3. Back draft damper is sticking in partially closed position.