WhisperAir™ Oil-free Rotary Tooth Compressor
Model Series PCC & PCCMD – 50 HP
Powerex • 150 Production Drive • Harrison, OH 45030 • USA
(T) 1.888.769.7979 • (F) 513.367.3125 • www.powerexinc.com
IN594501AV • 02/2016
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(VFD type – confirm VFD is going
to full speed)
Contact an authorized Powerex technician to adjust settings or
replace malfunctioning VFD.
Severe air leak
Check all separator drains and other possible leak areas. Contact an
authorized Powerex technician to repair leaks.
Air end failure
Contact an authorized Powerex technician to replace malfunctioning
air ed.
Intercooler pressure is low
during load operation
Intake filter clogged
Replace element, verify no other restriction.
Leakage between stages
Locate leak and repair
Intercooler leak
Locate leak and repair
Leak from Low pressure outlet
valve
Leak from Low pressure outlet valve
Low pressure air end malfunction
Contact an authorized Powerex technician to replace malfunctioning
air end.
Intercooler pressure is high
during load operation
Failure of high pressure air end
Verify the condensate separator
and automatic drain is working.
Water intake into high pressure air
end will damage compressor
Contact an authorized Powerex technician to replace malfunctioning
air end and separator components.
Mist in Compressor
discharge air
Condensate drain lines restricted
Eliminate restrictions, assure that lines remain unrestricted.
Electronic Automatic drain valves
malfunctioning
Contact an authorized Powerex technician to replace malfunctioning
drain valve.
Noise when running
Shipping brackets in place –
remove before running
compressor
Make sure shipping brackets are removed before running
compressor.
Air end malfunction
Contact an authorized Powerex technician to replace malfunctioning
air end.
Main motor malfunction
Contact an authorized Powerex technician to replace malfunctioning
motor.
Cooling fan motor malfunction
Contact an authorized Powerex technician to replace malfunctioning
fan motor or assembly.
Electronic drain valves
malfunctioning, water into high
pressure air end
Contact an authorized Powerex technician to replace malfunctioning
air end and drain valve.