Compressor Will Not Run
Compressor Will Not Start, “hums”
Motor Overheats
High System Pressure
Low System Pressure
Relief Valve “popping”
Compressor Will Not Start, “hums”
High System Pressure
Relief Valve “popping”
SYMPTOMS CAUSES POSSIBLE REMEDY
No Power
Improper Line Voltage
Tripped Overload
Pressure Switch
System Already at Pressure
Improper Line Voltage
Open Start Capacitor
Open Start Winding
Improper Voltage
Ambient Temperature Too High
Too Many Starts Per Hour
Cycle Time Too Long
Clogged Intake Filter
Pressure Switch
Pressure Switch
System Undersized
Clogged Coalescing Filter Element
Dryer Bypass Valve Is Closed
Faulty Relief Valve
Check circuit breaker.
Ensure that supply voltage matches equipment ratings.
Check for loose wiring.
Check contact points and adjust or replace.
Bleed pressure from system to ensure proper starting.
Ensure supply voltage matches equipment ratings.
Replace Start Capacitor.
Replace Compressor Head.
Ensure supply voltage matches equipment ratings.
Improve ventilation; add a fan.
Check for air leaks and repair; add additional compressor.
Check for air leaks and repair; add additional compressor.
Replace intake Filter.
Improperly set or defective pressure switch.
Improperly set or defective pressure switch.
Additional or larger compressor required.
Replace coalescing
fi
lter element.
Replace relief valve.
Open Valve.
Unpacking
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C1000 Series Service & Maintenance Manual
Service and Repair
Troubleshooting Chart
SECTION IV
TROUBLESHOOTING CHART
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