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SYMPTOM
Excessive oil at
1.
intake filter area
2.
3.
Oil carryover
1.
2.
3.
4.
5.
6.
7.
8.
Low Discharge
1.
Temperature
2.
POSSIBLE CAUSE
Intake valve seals leaking.
Slow intake valve poppet
action
Feed 3-way solenoid valve
malfunction
Overfilling oil separation
vessel
Clogged oil return line orifice
Clogged oil return line strainer
Clogged, broken, or loose oil
return line fittings
Ruptured oil separator
element.
Loose assembly
Foam caused by use of
incorrect oil
Minimum pressure valve
malfunction – discharge
pressure below 80 psig
Oil mixing valve stuck on full
cooler flow mode
Short load/unload cycles do
not allow oil to reach normal
operating temperature
13-18-612
REMEDY
1.
Check location ventilation and
improve if necessary. Inspect, repair
or replace valve.
2.
Inspect poppet and guide surfaces.
Replace if necessary.
3.
Repair, clean or replace valve.
1.
Drain excess oil from system.
2.
Inspect and service.
3.
Inspect and service.
4.
Inspect and tighten or replace.
5.
Replace element.
6.
Tighten all fittings and gaskets.
7.
Use Gardner Denver AEON 9000SP
oil only.
8.
Repair or replace. Inspect, adjust or
replace regulator.
1.
Check 24 Vdc power feed to servo.
Check ModBus connection to servo.
Check servo-to-valve coupling.
Check rotation of ball valve.
Adjust "Auto Timer" in AirSmart
2.
controller to at least 5 min value.
This action forces package to
operate at min speed for set time
before stopping.
Page 83
15-4
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