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Conveying System Mechanical Components Chapter 6: Troubleshooting 98 of 138
Problem Possible Cause Possible Remedy
The alarm package is wired
incorrectly.
Correct wiring. Consult
wiring diagram.
Optional audible alarm is not
functioning.
(Refer to enclosed Control
Panel Manual for specific
instructions.)
Alarm package component
failure.
Troubleshoot and
repair/replace problem.
• Blower is dead-headed.
Check for obstruction.
• Vent valve is not
operating. Check for
proper signal, voltage, and
80 to 90 psi (552 to 621
kPa) compressed air.
• Worn seals in blower.
Rebuild/replace blower.
• Worn bearings in blower.
Rebuild or replace.
• Loose drive belt(s).
Tighten or replace if worn.
Follow the vacuum path
from the blower through the
filter, piping, valves and
material receivers to isolate
where the loss occurs.
Vacuum conveying rate is
declining due to a vacuum
loss in the system.
Pump package blower
problem. Use a cfm/cfh
monitoring device to ensure
that blower cfm/cfh is to the
manufacturer’s
specifications.
Consult Service Engineer if
problem persists.
Filter chamber problem. The
vacuum at the filter chamber
should be the same as the
blower generates. If the
vacuum at the filter chamber
is adequate, the problem is
down line.