Strong Super Trouper - Page 26

No high voltage ping audible, LAMP switch in “ON.”(continued)
4. Defectivesparkgap.Openignitercase,dischargecapacitors,andreducearcgap;orreplace
igniterPCboardasrequired.
5. Faultyigniter.CheckforadequateDC“NoLoad”(130-180V.DC)atJ1-1&J1-2.Ifpresent,
andigniterdoesnotre,replaceigniter.
Bulb goes out during operation.
1. Xenonpowersupplyoverheated;thermalswitchopen.Checkpowersupplyblower(s),airinlets
andoutletsforfreeairow.Seepowersupplymanual.
2. Xenonbulbdepressurizing.Checkforenvelopediscoloration;replaceifdefective.
3. LamphouseblowerB1notmovingadequateair.Cleanandlubricateblower.
4. LamphouseblowerB1failedorobstructed.Cleandustanddirtfromblowerinletgrille.Check
for115V.ACatJ2-8&J2-9;replaceblowerifdefective.
5. LamphouseairvaneswitchS2faulty.Checkforvaneactuation;adjustorreplaceasrequired.
6. Powersupplybrown-outprotectionactuatedbyvoltagedrop.Seepowersupplymanual.
7. Phaselossdetectedbypowersupply(threephaseunitsonly).Seepowersupplymanual.
Power supply does not energize when actuated.
1. S1coverinterlockswitch,B1blower,S2airvaneswitch,S3powerswitch.Checkfor115V.AC
ateachstation;replacedefectivecomponent.
SEEPOWERSUPPLYTROUBLESHOOTINGUNDERSAMEHEADING.
Noise in theatre sound as bulb ignites.
1. FaultyRFsuppressioncapacitor(s).RemoveandtestC1,C2,C3,C4,C5orC6.Replaceif
defective.NOTE:replacement7201033PCboardincludesallcapacitors.
2. Lamphouse,powersupply,orsoundsystemnotproperlygrounded.Connecttoadequateearth
ground.
3. Leadsbetweenlamphouseandautomationcontactnotshielded.Shieldleadsinconduit.
Excessive light icker.
1. Faultyoragedbulb.Checkforcrackedorsaggingelectrodes;replaceifdefective.
2. ExcessiverippleinDCoutput.Seepowersupplymanual.
3. Arcstabilizationmagnetmissingorreversed.NORTH(unpainted)poleshouldpointtoward
operatorside.Checkwithcompassifrequired.
4. Bulbsealleakage.Checkbulbenvelopeforblue/whitediscoloration;replaceasrequired.
XST/024