INSTRUCTIONS FOR USE
07/2021
17
NP-DK50 F-19_07-2021
Any operations concerning the troubleshooting may be performed only by a qualified
technician.
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
Summary of Contents for DK50 F
Page 1: ...User manual Benutzerhandbuch N vod na pou itie DK50 F...
Page 2: ......
Page 10: ...INSTRUCTIONS FOR USE NP DK50 F 19_07 2021 10 07 2021 Fig 1 Compressor with filter regulator...
Page 23: ...BETRIEBSANWEISUNG 07 2021 23 NP DK50 F 19_07 2021 Bild 1 Kompressor mit Filterregulator...
Page 36: ...N VOD NA POU ITIE NP DK50 F 19_07 2021 36 07 2021 Obr 1 Kompresor s filterregul torom...
Page 55: ......
