DeWalt DXCMTB5590856 Instruction Manual page 27

CODE POSSIBLE CAUSE
23 Engine or pump oil is low
It is normal for some pressure drop to occur
24
25 Damaged regulator
Detergent type oil being used in pump
26
27 Extremely light duty cycles
28 Piston rings damaged or worn
Cylinder or piston damaged or worn
29
Compressor cylinder finish worn
30
Water in pump oil
31
Manual lock unloader lever in open position
32
Regulator open
33
Engine fuel tank empty
34
POSSIBLE SOLUTION
WALT synthetic compressor oil to pump. See Compressor
Add D
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Pump Oil under Maintenance.
If there is an excessive amount of pressure drop when the
accessory is used, adjust the regulator as instructed in
Regulator under Features.
NOTE: Adjust the regulated pressure under flow conditions while
accessory is being used.
Replace.
Drain oil and refill pump with D
Run unit for longer duty cycles. It is recommended to run at high
throttle 50-75% of the run time and idle for 25% of the run time.
Contact a D WALT factory service center or a D
e
service center.
Contact a D WALT factory service center or a D
e
service center.
Contact a D WALT factory service center or a D
e
service center.
Drain oil and refill pump with D
Rotate manual lock unloader lever to the closed perpendicular
position.
Rotate the regulator knob counterclockwise to its built-in stop and
push knob in to lock in place.
Add gasoline, see engine's instruction manual for correct
procedure.
27
WALT synthetic compressor oil.
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WALT authorized
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WALT authorized
e
WALT authorized
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WALT synthetic compressor oil.
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