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English
Troubleshooting Guide
This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or
maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified technician or your
dealer.
problem Code
Excessive air tank pressure-safety valve pops off ...................................................................1,2
Air leaks ...................................................................................................................................3
Air leaks in air tank or at air tank welds ..................................................................................4
Air leaks between head and valve plate .................................................................................5
Air leaks from safety valve .......................................................................................................6
Knocking Noise .........................................................................................................................6,16,17
Pressure reading on the regulated pressure gauge drops when an accessory is used ......7
Compressor is not supplying enough air to operate accessories .........................................8,9,10,11,12,15
Regulator knob has continuous air leak..................................................................................13
Regulator will not shut off air outlet ........................................................................................13
Moisture in pump crankcase ...................................................................................................14,18
Motor will not run .....................................................................................................................11,19,20,21,22,23,24,25,26
Troubleshooting Codes
CoDE
poSSIBLE CAuSE
poSSIBLE SoLuTIon
1
Pressure switch does not shut off motor when compres-
sor reaches cut-out pressure
Set the On/Off switch to OFF, if the unit does not shut off
contact an authorized service center.
2
Pressure switch
cut-out
too high
Contact an authorized service center.
3
Tube fittings are not tight enough
Tighten fittings where air can be heard escaping. Check
fittings with soapy water solution.
Do not overtighten.