Troubleshooting - Master MAC-30D User's Manual & Operating Instructions

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
OR WHILE CONNECTED TO A POWER SOURCE
Troubleshooting Guide
Possible Cause
1. No power
2. Bad switch
1. Loose pulleys or fan blade
1. Fan is not on level ground
2. Motor bolts are not secure
5
Corrective Action
Inspect Power Cord for damage. Be sure
unit is plugged in and turned on
Have Power Switch replaced by a qualified
professional according to code (Note: To
prolong life of the Power Switch, it is rec-
ommended that the fan is first operated in
LOW for 5-10 seconds before switching
to HIGH).
Tighten motor pulley Hex Screw.
Turn off fan, and relocate unit to smooth
level surface.
Tighten Motor Safeguard bolts and 4 motor
bolts.
High Capacity Barrel Fan User's Manual
.