Troubleshooting Chart - Idex Gast DOA Series Operation & Maintenance Manual

PART NO. 70 - 5105 G471PL (Rev A)

TROUBLESHOOTING CHART

Low
Vacuum Pressure
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•
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8
High Pump
Vacuum Pressure Overheat
At Pump
At pump
•
At pump At pump
At pump
ISO 9001 & 14001 CERTIFIED
Motor Excess
Overload Noise
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•
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inc.
Reason and remedy
for problem.
Filter dirty. Clean or replace.
Muffler dirty. Clean or replace.
Valves dirty or valves bent.
Clean or replace.
Worn diaphragm.
Repair or replace.
Relief valve set too high.
Inspect and adjust.
Relief valve set too low.
Inspect and adjust.
Plugged vacuum/pressure line.
Inspect and repair.
Collapsed vacuum line.
Inspect and repair.
Low voltage, won't start.
Check power source.
Voltage wrong.
Check power source.
Worn diaphragm.
Replace.
Leaky hose or check valve.
Replace.
Dirt or liquid on top of diaphragm.
Inspect and clean.
Motor not wired correctly.
Check wiring diagram/line voltage.
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