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NOTE: Installation work and electrical wiring must be done by qualified person(s) in
accordance with all applicable codes and regulations.
Problem
Fan does not operate
Reduced Air Flow
Excess Noise (vibration,
slapping, squealing)
© 2018, Pinnacle Climate Technologies, Inc.
NEVER LEAVE A FAN UNATTENDED WHILE OPERATING
Wiring Diagram
SJT18AWG
Troubleshooting Guide
Possible Cause
1. No power
2. Bad switch
3. Motor is humming
1. Loose pulleys or fan blade
2. Loose or worn belt
3. Motor is humming
1. Fan is not on level ground
2. Motor bolts are not secure
3. Defective E-clips
OR WHILE CONNECTED TO A POWER SOURCE
3
Corrective Action
Inspect Power Cord for damage. Be sure
unit is plugged in and turned on
Have Power Switch replaced by a qualified
professional acccording to code (Note: To
prolong life of Power Switch, it is recom-
mended that the fan is first operated in
LOW for 5-10 seconds before switching
to HIGH).
Capacitor is damaged. Have Capacitor (see
Figure 4) replaced by a qualified profes-
sional according to code.
Tighten motor pulley Hex Screw.
See page 2 for belt tightening instructions.
Capacitor is damaged. Have Capacitor (see
Figure 4) replaced by a qualified profes-
sional according to code.
Turn off fan, and relocate unit to smooth
level surface.
Tighten Motor Safeguard bolts and 4 motor
bolts.
Have Fan Bearings / E-clips / Wavy Spring
Washer (see Figure 5) replaced by a
qualified professional according to code.
High Capacity Barrel Fan User's Manual
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