EKOM DK50 2V/110, Installation, Operation And Maintenance Manual

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DK50
DK50 PLUS
7/2014 - 37 - NP-DK50-3_07-2014-md
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17. REPAIR SERVICE
Guaranteed and post-guarantee repairs must be done by the manufacturer, its authorized representative, or
service personnel approved by the supplier.
The manufacturer reserves the right to make changes to the appliance without notice. Any changes made
will not affect the functional properties of the appliance.
18. SOLVING PROBLEMS
Caution! Before proceeding, depressurize the air tank to zero and disconnect the
appliance from the mains.
For permanently high efficiency of drying, it is necessary to maintain the whole appliance, and
mainly ventilator clean – regularly clean the surface of ventilator and cooling fins of cooler.
Troubleshooting can be performed only by qualified personnel.
FAILURE POSSIBLE CAUSE REMEDY
Compressor does not
start No voltage in pressure switch Check voltage in socket
Check fuse – replace faulty one
Loosen terminal – tighten it
Check power cord – replace faulty one
Disconnected winding of motor, damaged
thermal protection
Faulty capacitor
Seizure of piston or another rotary part
Pressure switch does not switch on Replace motor or re-wind it
Replace capacitor
Replace damaged parts
Check the function of pressure switch
Compressor often
switches on Air leak in pneumatic distribution system
Leaking check valve
Greater volume of condensed liquid in
pressure vessel Check pneumatic distribution system – seal
loose joint
Clean valve, replace seals, replace valve
Drain condensed liquid
Prolonged running of
compressor Air leak in pneumatic distribution system
Worn piston ring
Contaminated input filter
Defective solenoid valve Check pneumatic distribution system – seal
loose joint
Replace worn piston ring
Replace contaminated filter with the new one
Repair or change the valve
Compressor is noisy
(knocking, metal
noises) Damaged bearing of piston, piston rod,
motor bearing
Loose or cracked spring Replace damaged bearing
Replace damaged spring
Dryer doesn´t dry
(condensed water in
the tank) inoperative cooler ventilator replace ventilator
check supply of electric energy
Damaged dryer Replace dryer
Dirty automatic condensate drain on filters clean / replace
Dirty filter and micro-filter elements
Replace old elements with new elements
The internal surfaces of the air tank must be cleaned and all condensed liquid must be removed after a dryer
failure.
Check the dew point of the air leaving the air tank (see Chapter 5 - Technical Data) in order to protect
connected equipment from damage!