Quincy Compressor QSI Series, Instruction Manual

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Section IX - Troubleshooting
Probable Causes: Corrective Action:
120
Quincy Compressor-QSI
®
Pressure Relief Valve Exhausting:
Differential pressure regulator not set cor -
rectly
Air pressure not set correctly
Air inlet valve not closing properly in rela -
tion to air demand
Plugged separator
Faulty receiver pressure gauge
Faulty pressure relief valve
Excessive Water Content In Fluid :
Water drain intervals
4Discharge temperature too low
Check and tighten wiring terminals.
Check and repair air inlet valve.
Repair or replace as necessary.
Check and replace timer.
Orifice plugged. Clean or replace as neces -
sary.
Check and replace as necessary.
Check and repair any leaks.
Check plant air distribution system for leaks.
Repair or replace as necessary.
Replace as necessary.
Clean or replace as required.
Check other compressors on same system.
Replace cooler.