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PROBLEM:
Compressor will not run
Thermal overload
protector cuts out
repeatedly
Excessive knocking
or rattling
Compressor air flow lower
than normal, or cannot
pump to higher pressures
400P AUTOMATIC PORTABLE COMPRESSOR
TROUBLESHOOTING GUIDE:
POSSIBLE CAUSE(S)
1. No power, or power switch
in OFF position
2. Blown fuse
3. Motor overheats
1. Lack of proper ventilation or
ambient temperature is too high
2. Compressor valves failed
1. Worn bearing on eccentric or
motor shaft
2. Cylinder or piston ring is worn
1. Worn piston ring or inlet valve
USER MANUAL
CORRECTIVE ACTION
1. Make sure compressor
switch is ON
2. Disconnect compressor
from power source, replace
fuse. (Refer to Specifications
section for correct
fuse amperage)
3. Let compressor cool off for
about 30 minutes to allow
thermal overload switch to reset.
1. Move compressor to well
ventilated area, or area with
lower ambient temperature
2. Replace compressor
1. Service or replace compressor
1. Service or replace compressor
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