9
Troubleshooting Guide (cont.)
PROBLEM PROBLEM CAUSE CORRECTIVE ACTION
Grease leakage at fan a. Grease reservoir filled to
overflow
b. Damaged lid to base gasket
c. Damaged wheel access gasket
d. Damaged grease reservoir
gasket
a. Empty grease reservoir
b. Replace gasket
c. Replace gasket
d. Replace gasket
Frequent motor failures a. Low on high voltage to motor
b. Fan running backwards
c. Motor overloaded
d. Motor single phasing
a. Check line voltage, call utility
company
b. Change rotation
c. Check F.L.A. draw (must fall
within nameplate rating), slow
down, or change to larger
motor if overloaded
d. Correct cause for loss of one leg
Frequent belt failures a. Pulleys misaligned
b. Belt not tensioned properly
c. Cracked pulley
a. Re-align pulley
b. Adjust to proper tension
c. Replace pulley
Frequent bearing
failures
a. Improper lubrication
b. Belt too tight
c. Loose locking collars
a. See instructions, lubricate
properly
b. Retention belt
c. Tighten locking collars
Low CFM (exhaust air) a. Fan running backwards
b. Loose belt
c. Debris on wheel
d. Grease filters in hood/kitchen
extremely dirty
e. Fan RPM too low
a. Change motor rotation
b. Tighten belt
c. Clean wheel
d. Clean filters
e. Speed up fan (WARNING – verify
motor not overloaded check motor
full load amps)
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