ADENDORFF MAC-AFRIC COMPRE-024 User Manual

AIR COMPRESSORS
DIRECT & BELT DRIVEN MANUALS
COPYRIGHT ADENDORFF MACHINERY MART
10
TROUBLESHOOTING CHART
IMPORTANT
I. Any remedial work that may be required must be carried out by a qualified electrician/engineer.
II. Disconnect from the mains supply before removing any parts from the compressor.
III. EmptyAirReceiverofairbeforedismantlinganypartofthecompressorunit’spressuresystem.
IV. If your compressor develops a fault do not use until the fault has been rectified.
SYMPTOM PROBABLECAUSE REMEDY
Compressor will not start auto-
matically
Fault in electrical installation Let an electrician check the electrical installation
Current supply failure
Voltage drop
Motor starter faulty
Motor incorrectly connected or faulty
Starter overload has tripped out Reset by depressing button
Pressure switch defective Have pressure switch changed by an electrician
Compressor unit will not stop
automatically
Pressure switch defective Contact Adendorff Machinery
Bleed valve under pressure
switch blows whilst compres-
sor is not running
Non-return valve leaking Replace
Bleed valve under pressure Non return valve stuck (NRV) open at junction
at the tank and the pump delivery pipe
Drain tank and remove inspection nut to clean
Non Return valve
Compressor unit starts, but
stops again after only a few
revolutions
Non-return valve leaking (compressor unit is
on load during start).
Disconnect from the mains supply and empty air
receiver. Clean or replace
Non-Return value blocked, possibly frozen up Thaw non-return valve out (unit must be installed
in frost-free place)
Solenoid valve leaking or defective (only
applies to certain models - where applicable
- and above)
Contact Adendorff Machinery
Unusual noise from compressor Bolts loose Tighten bolts
V-Belt flywheel or cooling coil touching belt
guard
Find place of contact and remedy fault
Flywheel loose Tighten flywheel
Unit installed on an unsuitable base Move unit to a more solid base
Bearings, piston rings or cylinder worn Contact Adendorff Machinery
Valve broken Contact Adendorff Machinery
Bearings of electric motor worn Contact Adendorff Machinery
Compressor unit starts and
stops more frequently than
usual
Large amount of condensation in air receiver Drain off condensation at least once a day/week
Leaks in control unit or inspection cover Locate leaks (by means of soapy water) and
repair
Too little pressure Contact Adendorff Machinery
Compressor unit starts when no
air is being used
Leaks in pipework system Locate and repair leaks
Electric motor too hot:
Maximum temperature 90°C
Operational voltage too low Call an electrician
Faults in electrical installation Contact Adendorff Machinery
Cooling fins of electric motor blocked by dirt Clean cooling fins

ADENDORFF MAC-AFRIC COMPRE-024 Specifications

General

Brand	ADENDORFF
Model	MAC-AFRIC COMPRE-024
Category	Air Compressor
Language	English