Installation, Operation and Maintenance manual
30
PowerCore
®
Dust Collectors - Series CPC
TABLE 2 – FAULT LOCATION
Symptom
Possible cause
Action
Excessive
pressure
differential.
Compressed air
malfunction.
If compressor stopped, rectify compressor fault; check interlocks;
check motor and supply; check drive.
If compressor OK, check pulses at manifold pressure gauge.
Clean filters, dismantle and clean moisture separator.
Check for excessive water or oil in compressed air supply, and
possible accumulation in manifold.
No pulses of air to
valves.
Refer to controller manual supplied with dust collector.
Filter packs blocked.
Run filter packs clear*, then remove each filter pack in turn and
renew any that are damaged.
Motor speed low.
Check line voltage, phases, fan motor connections. For Star/Delta
applications, check motor is in Delta.
Incorrect fan motor
rotation.
Check electrical connections and transpose if necessary.
Insufficient airflow Fan motor stopped.
Check motor supply overloads, fuses and interlocks (if fitted).
Check motor connections and windings.
Filter packs blocked.
Run filter packs clear*, then remove each filter pack in turn and
renew any that are damaged.
Ducting blocked.
Check throughout and clear.
Visible effluent in
clean air outlet.
Filter packs not properly
sealed.
Ensure filter pack retainers are fitted securely.
Damaged filter pack.
Damaged filter bag can be identified by the dust present in clean
air chamber. Withdraw filter pack and renew bag.
*To run filter packs clear, allow the controller to perform several complete cleaning cycles before
switching off compressor etc.
This procedure is not recommended where explosion panels are fitted, as
damage could result to the membrane. In such cases consult with Donaldson.
