ProTemp PT-48-BDF-A - Manual (Page 5)

© 2013, Pinnacle Products International, Inc. 5 Portable Air Circulator User’s Manual
NEVER LEAVE A FAN
UNATTENDED WHILE
OPERATING OR WHILE
CONNECTED TO A POWER
SOURCE
Troubleshooting Guide
Problem Possible Cause Corrective Action
Fan does not operate
1. No power
Inspect Power Cord for damage. Be sure
unit is plugged in and turned on .
2. Bad switch
Replace Power Switch (Note: To prolong
life of Power Switch, it is recommended
that the fan is first operated in LOW for
5-10 seconds before switching to HIGH).
3. Motor is humming
Capacitor is damaged or belt is too tight.
Replace Capacitor or loosen belt.
Reduced Air Flow
1. Loose pulleys or fan blade Tighten motor pulley Hex Screw.
2. Loose or worn belt See page 4 for belt tightening instructions.
3. Motor is humming
Capacitor is damaged or belt is too tight.
Replace Capacitor or loosen belt.
Excess Noise (vibration,
slapping, squealing)
1. Fan is not on level ground
Turn off fan, and relocate unit to smooth
level surface.
2. Loose pulley or belt
Tighten Hex screw to tighten Motor Pulley.
See page 4 for for belt tightening
instructions.
3. Motor bolts are not secure
Tighten Motor Safeguard bolts and 4 motor
bolts.
4. Defective E-clips
Replace Fan Bearings / E-clips /
Wavy Spring Washer
Wiring Diagram