Blitz VERSA Series - 7 Trouble Shooting

11102619 03/13
Operating Instruction
Troubleshooting
7 Trouble shooting
Danger
TroubleshootingmaybecarriedoutonlybytrainedexpertsorbystaffmembersofBLITZ
Company.Inallactions,pleaseobservethefundamentalsafetyinstructions(cf.chapter
1),thesafetyinstructionsforoperation(cf.chapter4),andthesafetyinstructionsformain-
tenance(cf.chapter5).
Thecompressordoesnotstartup.
Potentialreasons Actions
Noconnectiontonetwork. • Checktheconnectiontothemains.
Fusehasblown. • Checktheelectriccable,switchingunits
andthemotor.
• Usetime-lagfusesonly.
• Replacethefuse.
Networkpressureisovercut-inpressure. • Reducethepressureinthenetwork.
Thepressureswitchisdefective. • Replacethepressureswitch.
Themotorhasbrokendown. • Checktheelectricsystemandthecables.
• Replacethemotor.
Theprotectivemotorswitchhasbeentriggered. • SeeTable“Theprotectivemotorswitchhas
beentriggered”.
Theprotectivemotorswitchhasbeen
triggered.
Potentialreasons Actions
Wrongsettingoftheprotectivemotorswitch. • Checkthesettingoftheprotectivemotor
switch.
Faultattheelectricconnection. • Checktheelectricconnectionforundervol-
tageandphasefailure.
• Checktheconductorcrosssection.
Ambienttemperatureistoohigh. • Improvetheroomventilation.
• Selectacoolerlocation.
Damageonthecompressor • Checkvalves,crankmechanismandfanfor
potentialdamage.
Thecompressorisnotrelieved. • Checkthereliefmechanism.
• Checkthecheckvalve,andreplace,ifand
whennecessary.
Motorgetstoohotduetohighswitchingfre-
quency.
• Checkthepressureswitchingpoints.
Thepressureswitchhasbeensetwrongly. • Checkthepressureswitchingpoints.
Theclampingconnectionshavecomelose. • Retightentheclampingconnections.