18
Problem
Probable Cause
Remedy
Fan/blower does not
start
Not wired correctly
Check supply voltage and wiring connections. Review
motor manufacturer’s wiring diagram, collector wiring
schematics, and the National Electric Code and correct
any wiring errors.
Electrical circuit down
Check power supply and correct any faults to restore
power.
Input control circuit down
Check wiring to ensure motor starter engages when
appropriate.
Damaged motor
Replace or repair damaged motor.
Fan/blower starts but
does not continue to run
static pressure resistance
Check access covers, dust bin and ducts. All access
panels and doors must be secured before operation. Dust
bin must be in place and sealed prior to operation. All
Damper control not adjusted
properly
Electrical circuit overload protection
trips
equipment on circuit and matches motor voltage
requirements.
Motor starter not properly selected
for motor size and voltage
Check starter and replace if necessary for actual motor
size and voltage.
Dust emissions at air
outlet
Access cover(s) loose
Tighten all access covers securely. See Filter Installation.
Filter(s) damaged
Inspect gaskets, end caps, liners and media for damage
Filters not properly installed
See Filter Installation.
Correct any faults in the cleaning system (compressed air
Restriction exists despite pulse
cleaning system operation (end of
Open door, bin connection, or
missing duct
Check access covers, dust bin, and ducts. All access
panels, and doors must be secured before operation.
Dust bin must be in place and sealed prior to operation.
All ducts must be connected to the system prior to
operation.
Incorrect collector/fan selection
Restriction in hoods, ducts, or other
system components.
Inspect system components and remove any restrictions
such as material deposits in hoods or ducts.
Troubleshooting
