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SYMPTOM
Excessive oil at
intake filter area
Oil carryover
Low Discharge
Temperature
POSSIBLE CAUSE
1.
Intake valve seals leaking.
2.
Slow intake valve poppet
action
3.
Feed 3-way solenoid valve
malfunction
1.
Overfilling oil separation
vessel
2.
Clogged oil return line orifice
3.
Clogged oil return line strainer
4.
Clogged, broken, or loose oil
return line fittings
5.
Ruptured oil separator
element.
6.
Loose assembly
7.
Foam caused by use of
incorrect oil
8.
Minimum pressure valve
malfunction – discharge
pressure below 80 psig
1.
Oil mixing valve stuck on full
cooler flow mode
2.
Short load/unload cycles do
not allow oil to reach normal
operating temperature
13-18-609
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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