COPYRIGHT
TENNANT COMPANY 1999
8
DRYER TROUBLESHOOTING
WARNING: ALL THE SERVICE PROCEDURES BELOW SHOULD BE EXECUTED WITH POWER OFF I.E. UNPLUGGED.
Motor won’t run.
1. Switch not turned on.
1. Turn switch to appropriate speed
2. Circuit is overloaded and
panel circuit breaker tripped.
2. Unload circuit and reset circuit break-
ers.
3. No power at outlet.
3. Check panel circuit breaker and check
outlet with receptacle tester.
4. Intake screens or exhaust
snout is blocked.
4. Turn machine off, allow to cool; re-
move blockage and reset breaker.
5. Switch is broken.
5. Contact Service Center
6. Loose wiring.
6. Contact Service Center
7. Blower wheel completely
jammed.
7. Contact Service Center
Motor runs but wheel
turns erratically and
makes a scraping
noise.
1. Severe jolt has caused motor
mount to bend and blower
wheel to rub against mount.
1. Contact Service Center
2. Severe jolt has caused motor
to slip out of mount and
blower wheel to rub against
housing.
2. Contact Service Center
Airmover vibrates
excessively.
1. Uneven accumulation of soil
has built up on wheel.
1. Clean blower wheel.
2. Blower wheel has been bent. 2. Contact Service Center
3. Blower wheel has lost bal-
ance.
3. Contact Service Center
4. Bent motor shaft.
4. Contact Service Center
FOR PARTS AND SERVICE CALL YOUR LOCAL DISTRIBUTOR,
OR OUR CUSTOMER SERVICE DEPARTMENT AT 1-800-522-7839
