Troubleshooting - Eastwood Elite QST-30 Instructions Manual

TROUBLESHOOTING

PROBLEM CAUSE
The unit is collecting excess water in
Oil/Water Mist
the moisture filter #31716 and oil tank
Spraying from which is raising oil level and resulting in
Under Pres-
oil/water being forced into the white ny-
sure Switch
lon discharge hose going to the unloader
valve under the pressure switch.
Unit Does Not
No power to unit or defective pressure
Turn On or Run switch.
Improper Supply Voltage/Circuit.
Motor Runs
Slow or Hard
to Start Defective start and/or run capacitor.
The Unloader Valve is located below the
Air Discharges Pressure Switch and is in place to relive
From Under
air pressure from the Scroll Pump and
Pressure
Oil Tank. This discharge will last up to
Switch When 20 seconds and is necessary to relive
Unit Shuts Off
air pressure in the Pump before next
at 145 PSI
cycle starts to eliminate starting against
a head pressure.
Overpressure
Pressure Switch is stuck in "ON"
Relief Valve position- unit will continue to run even
Opens. Unit
if pressure switch knob is turned to
Will Not Shut
"OFF". Unit will continue to vent through
Off. Overpressure Relief Valve.
Motor Makes
Motor is defective from either bearing
Loud Metallic
failure, oil starvation or overheating.
Grinding Noise
Squeaking/
Chatter Noise
Aluminum cylinder below air filter hous-
at Air Filter
ing is the Intake Check valve. The valve
When Unit seal is making the noise.
Starts
To order parts and supplies: 800.343.9353 >> eastwood.com
CORRECTION
Refer to
OIL TANK CONDENSATION DRAIN
by draining it regularly.
Check breaker is not tripped. If breaker is Ok – disconnect unit from power.
Check Continuity across switch terminals. A good switch will show continuity
across both sets of terminals, if one set of terminals is OPEN switch is bad.
Replace pressure switch #32207.
Assure unit has actual 208/240 on min 30-amp circuit and not 120VAC.
Disconnect unit from power.
• Remove Motor Electric Box Cover (on top of motor).
• Look at both capacitors for leaking oil, black soot, bloated or cracked cases.
• If defective- replace capacitors and motor controller.
Replace Start Capacitor #32213.
Replace Run Capacitor #32214.
Replace Motor Controller #32215.
This is normal operation.
Replace Pressure switch #32207.
Replace the following item:
Motor/Pump assembly #32208.
It will not harm or hinder performance of unit and will cease after a few cycles.
for preventing condensation build up
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