4-10
Copyright © 2022 ves-artex.com |
All Rights Reserved
Operation and Maintenance
Troubleshooting
Symptom
Cause
Solution
FAN WILL NOT START
Blown or bad fuse or circuit breaker
Check fuses and circuit breakers.
Bad connection
Check wire connections to motor.
Over or under voltage
Check voltage at fan connection.
FAN TOO FAST / SLOW
Over or under voltage
Check voltage at motor. Ensure motor
is wired for correct voltage.
Setting not correct
Check environmental control settings.
FAN MAKES NOISE
Loose hardware or attachments
Check motor case to make certain all
visible screws are snug.
Check to make certain that all blade
bracket screws are tight.
Check to make sure fan/guards are
secured.
Bad/worn bearing or bent shaft
Debris
Check bearing shaft to ensure blade
spins freely with no noise
FAN WOBBLES/VIBRATES
Loose hardware
Check that all blade paddles are
screwed firmly to the spyder.
Damaged blades
Debris
Run fan without blade, if motor does
not wobble, then motor is not defec-
tive but the blades may be damaged.
Bad/worn bearing
Check for worn bearing shaft.
