Yetter 2940-055 Hydraulic Compressor - Manual (Page 24)

24
COMPRESSOR TROUBLESHOOTING
PROBLEM CAUSE CORRECTIVE ACTION
compressor
will not
operate/run 1)system is not turned on
2)compressor communication harness not
installed
3)hydraulics installed improperly
4)compressor not below 125psi
5)compressor locked up/unlubricated 1)with cab controller on, press enter to turn system
on(button will be green)
2)install harness between compressor and 2940-103 control
box
3)check hydraulic connection for proper installment and flow
4)compressor will not recover until below 125psi
5)order new compressor
compressor
runs
nonstop, will
not build
pressure, or
stalls:
1)severe air leak
2)insufficient hydraulic pressure or flow
3)hydraulic reservoir low
4)air filter plugged
5)faulty Pressure Switch
6)air manifold valve stuck closed
1)check all fittings and air lines for leaks
2)ensure adequate pressure and flow from connected circuit
3)add proper hydraulic oil to recommended level
4)clean or replace
5)replace
6)clean or replace
compressor
shuts down
with air
demand 1)compressor temperature to high
2)compressor runs continuously for 15 minutes
3)insufficient hydraulic flow
4)worn hydraulic motor 1)turn system off and check for leaks
2)press enter to reset message alert and check for leaks
3)ensure adequate hydraulic pressure and flow or call
Yetter service department(800-447-5777)
4)replace
2565-779 MANUAL 03/2014