Troubleshooting Chart (Continued)
Symptom
Possible Cause(s)
Excessive moisture in
1. Excessive water in tank
discharge air
2. High humidity
Compressor runs
1. Defective pressure switch
continuously
2. Excessive air usage
1. Excessive condensation in tank
Excessive starting and
stopping (auto start)
2. Air leaks in piping (on machine or in
outside system)
3. Tank check valve leaking
Air leaking from
Check valve stuck in an open position
unloader on pressure
switch
Motor runs but no air
Belt broken
output
Tool Recommendations for this Air Compressor
RECOMMENDED TOOLS FOR
CONTINUOUS USE
Butterfly impact wrench
Ratchets
Spray guns
Reciprocating saws
Screwdrivers
Brad nailers
Framing nailers
Grease guns
Caulk guns
Engine cleaners
All manuals and user guides at all-guides.com
Corrective Action
1. Drain tank
2. Move to area of less humidity; use air line filter
1. Replace switch
2. Decrease air usage; compressor not large enough for
air requirement
1. Drain more often
2. Replace leaking components or tighten as necessary
3. Replace or repair as necessary
DANGER
!
Remove and replace check valve
DANGER
!
Replace belt
RECOMMENDED TOOLS FOR
INTERMITTENT USE
(Short powerful bursts)
Impact wrenches
Die grinders
Drills
Chisels
Cut-off tools
7
WL6500 Series
Do not disassemble check valve
with air in tank; bleed tank
Do not disassemble check valve
with air in tank; bleed tank
TOOLS NOT RECOMMENDED
Straight line sanders
Highspeed sanders
Dual action sanders
Jitterbug sanders
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