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Z. Main burners are burning with a yellow flame (for Gas Models ONLY)...
1. Poor air and gas mixture (too much gas or not enough air) at the burner ...
a. Not enough make-up air.
b. Restriction in the exhaust.
c. Gas pressure is too high.
d. Impellor (fan and blower) is rotating in the wrong direction only (for 3ø Models ONLY).
e. Burner orifice size (D.M.S. [drill material size]) too large for application (i.e., high elevation).
AA. Condensation on main door glass...
1. Too long, undersized, or improperly installed duct work.
2. Back draft damper is sticking in the partially closed position.
BB. Scraping noise at basket (tumbler) area...
1. Check for obstruction caught in basket (tumbler) and wrapper area.
2. Basket (tumbler) is out of proper alignment ...
a. Check both the vertical alignment and lateral alignment.
b. Check for gap between the front panel and basket (tumbler)...bearing set screws may have come
loose, and basket (tumbler) walked forward or backward.
3. Loose basket (tumbler) tie rod.
4. Failed basket (tumbler) support.
CC. Excessive noise or vibration...
1. Dryer is not leveled properly.
2. Impellor (fan and blower) out of balance ...
a. Excessive lint build up on impellor (fan and blower).
b. Failed impellor (fan and blower).
3. Loose basket (tumbler) tie rod.
4. Failed basket (tumbler) support.
5. Loose motor mount.
6. Failed idler bearings or basket (tumbler) bearings.