Blitz VERSA Series - Page 14

12 102619 03/13
Operating Instruction
Troubleshooting
Theswitchingfrequencyofthemotor
is too high.
Potentialreasons Actions
Thecompressed-airreservoiristoosmall. • Usealargercompressed-airreservoir.
Thepressureswitchhasbeensetwrongly. • Checkthepressureswitchingpoints.
Toomuchcondensationwaterinthecom-
pressed-airreservoir/compressed-airductwork
system.
• Drainthecondensationwater(cf.chapter
5.4).
• Asapreventivemeasure,tanautomatic
condensationwaterdrainsystem(BLITZ
accessories).
Lowdelivery–thesetpointpressureis
notmade.
Potentialreasons Actions
Valvesaredefective. • Checkthevalves,andreplace,ifandwhen
necessary.
Thesuctionlterissoiled. • Cleantheltercartridgeandreplace,ifand
whennecessary.
Pipesandttingsareleaking. • Tightenthescrewsandttings.
• Replacetheseals.
Thecylinderheadsealisleaking. • Tightenthecylinderheadscrews.
• Replacethecylinderheadseal.
Thepiston,pistonrings,andthecylinderare
worn.
• Checkthecomponents.
• Replacethewornparts.
Thepressureswitchhasbeensetwrongly. • Checkthepressureswitchingpoints.
Theairdemandishigherthanthedeliveryvolu-
meofthecompressor.
• Checktheairdemand.
• Expandthecompressedairsupply.
The compressor turns too hot.
Potentialreasons Actions
Ambienttemperatureistoohigh. • Improvetheroomventilation.
• Selectacoolerlocation.
Thecoolingairvolumeisnotavailableortoo
low.
• Thespacebetweenfanandwallistosmall
(cf.chapter3.1“Mountingconditions”).
• Checkthefancowlopeningforsoiling,and
clean,ifandwhennecessary.
Wrongrotatingdirectionofthefan. • Checktherotatingdirectionofthefan(cf.
chapter3.3“Checkingtherotatingdirec-
tion”).
Thecompressorvalvesaredefective. • Checkthecompressorvalves,andreplace
them,ifandwhennecessary.
Theultimatepressureistoohigh. • Checkthepressureswitchingpoints.