imperialsystemsinc.com 20 Imperial Systems Inc.
9. TROUBLESHOOTING
PROBLEM PROBABLE CAUSE SOLUTION
Blower fan motor does not start Improper motor wire size.
Motor not wired properly.
Motor not wired for available voltage.
Input circut down.
Electrical supply circuit down
Rewire using the correct wire gauges as
specified by national and local codes.
See motor manufacturers wiring diagram.
Check and correct motor wiring for the supply
voltage present. Follow wiring diagram and the
National Electric Code.
Correct the wiring for the supply voltage.
Check power supply to motor circuit on all leads.
Check the power supply circuit for proper
voltage. Check for any fuse or circuit breaker
fault. Replace as necessary.
Blower fan motor starts,
but does not stay running.
Clean air outlet discharging dust.
Insucient airflow.
Incorrect motor-starter installed. Check for the proper motor starter and
replace if necessary.
Blower fan damper control
not adjusted properly.
Check airflow in duct. adjust damper control
until proper airflow is achieved and the blower
motor’s amp draw is within the manufacturers
rated amps.
Electrical circuit overload.
Check that power supply circuit has sucient
power to run all the equipment.
Filter cartridges not installed properly. See filter installation.
Filter cartridge damage, dents in the end caps,
gasket damage or holes in pleated media.
Replace filters as necessary. Use only genuine
DeltaMAXX replacement filters.
Fan rotation backwards.
Compare rotation to the blower manufacturers
rotation arrow.
Access doors open or not closed tight. Check that all access doors are in place and
secured. Check that the hopper discharge
opening is sealed and the optional
attachments are installed correctly.
Exhaust fan exhaust area restricted.
Check fan exhaust areafor obstructions
remove material or debris. Adjust fan outlet
damper, if equipped.
Filter cartridges need replacement.
Lack of Compressed air.
Pulse cleaning not energized.
Dust storage area overflowed or plugged
Pulse valves leaking compressed air.
Solid state timer failure.
Replace filters as necessary. Use only genuine
Imperial DeltaMAXX replacement filters.
Check that a minimum of 75-psig is available.
See compressed air installation.
Use a voltmeterto check supply voltage to the
timer board. Check and replace the fuse on
the timer board if necessary.
Clean out dust storage area.
Lock out all electrical power to the unit and
bleed the compressed air supply. Check for
debris, valve wear, or diaphragm failure by
removing the diaphragm cover on the pulse
valves. Check for solenoid leaks or damage.
Check for leaks in the tubing from the pulse
valve to the solenoid valves. Replace as
necessary.
Using a voltmeter, check supply voltage to the
timer board. Check and replace the fuse on the
timer board if necessary. If the fuse is good
and imput power is present, but output voltage
to the solenoid valves is not, rplace the timer
board.
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