Doosan P185WDO-T4F - Page 104

TROUBLESHOOTINGOperation&MaintenanceManual
Dirtyoperatingconditions.Movecompressortocleaner
environment.
Wrongairlterelement(s).Installcorrectairlter
element(s).
Inadequateairlterelement
cleaning.
Installnewairlter
element(s).
10.Shortairlterlife
Incorrectstopping
procedure.
Complywithprocedurein
thismanual.
Malfunctioninginletunloader.
Inspectvalve.Make
adjustmentsperthismanual.
Malfunctioningpressure
regulator.
Checkpressureregulator.
Checkregulationlinesfor
leaks.
Iceinregulationlinesand/or
regulationorice.
Applyheattolinesandor
orice.Checkoperation
ofDCelectricheaters,if
equipped.
11.Compressorwillnot
unload
Pluggedventleak.
Cleanand/orreplace.
Operatingpressuretoohigh.
Reducepressuretorated
operatingpressure.
Malfunctioninginletunloader.
Inspectvalve.Make
adjustmentsperthismanual.
Defectivesafetyvalve.Replacesafetyvalve.
Compressorwillnotunload
fastenough.
Checkpressureregulator.
Checkregulationlinesfor
leaks.
12.Safetyvalveopens
Iceinregulationlinesand/or
regulationorice.
Applyheattolinesand/or
orice.Checkoperation
ofDCelectricheaters,if
equipped.
Blockedseparatorscavenge
line.
Checkscavengeline,drop
tube,andorice.Cleanand
replaceasneeded.
Deterioratedseparator
element.
Replaceseparatorelement.
13.Excessivecarryover
(compressoroilinthe
compressedair).
Separatortankpressuretoo
low.
Checktheminimumpressure
valve.Repairorreplaceas
necessary.
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