©Copyright 2010-Sonic Air Systems Inc.
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TROUBLE SHOOTING
Problems/Symptom
Cause
Low Flow/Pressure/Vacuum
Blower rotating backwards (incorrect wiring or electrical short)
Dirty or contaminated filter
Collapsed flexible hose lining
Air leaks in system
Closed or damaged valve
Worn or damaged impeller (s)
Drive belt slipping (contaminated or damaged)
Worn sprocket(s)
Wrong sprocket sizes
Wrong drive belts (not Sonic approved)
Incorrect piping design (too small)
Improper blower size for application
Frequent drive belt failure
Blower rotating backwards (incorrect wiring or electrical short)
Motor sprocket wobbling
Motor sprocket out of alignment
Sprocket teeth worn
Hostile environment (belt contaminated)
Wrong belt (not sonic approved)
Incorrect belt installation method
Liquid entering blower inlet (impeller stall)
Electrical overloading
Exceeding rated CFM
Blower RPM too high (motor sprocket too large)
Motor has winding or bearing damage
Electrical supply problems
Irregular/Excessive Noise
Blockage in air line
Leak in air line
Inlet silencer damaged internally
Worn drive belts
Bolts loose on blower/motor assembly
Vibration mounts loose
Blower RPM too high
Blower is receiving vibration from other adjacent equipment
Belt Jumping Off
Misaligned sprockets
Blower sprocket wobbling
Blower rotating backwards (incorrect wiring or electrical short)
Belt and sprockets improperly meshed
Wrong belt (not Sonic approved)