Doosan P185WDO-T4F - Page 102

TROUBLESHOOTINGOperation&MaintenanceManual
Looseorbrokenbelts.Tightenorreplacebeltset.
Loosewireconnection.
Checkwiresatswitches
andconnectorstondloose
connection.Makerepairs.
SeeElectronicService
Manual.
Lowbatteryvoltage.
Checkbatterycondition,
rechargeifnecessary.
Checkelectrolytelevel,add
ifnecessary.Checkcable
connections,cleanand
tightenasneeded.
5.Lowelectricalsystem
voltage
Malfunctioningalternator.
Repairorreplacealternator.
Ambienttemperatureabove
ratedambienttemperature
range.
Operateincooler
environment.
Compressortiltedbeyond
out-of-leveloperatinglimit.
Repositionorrelocate
compressortobemorelevel.
Lowcompressoroil.
Addcompressoroil.Lookfor
andrepairanyleaks.
Wrongcompressoroil.
Changecompressoroil.
Reviewcompressoroil
specication.
Dirtycooler(s).Cleanexteriorofcooler(s).
Dirtyoperatingconditions.Movecompressortocleaner
environment.
Cloggedcompressoroil
lter(s).
Replacecompressor
oillter(s)andchange
compressoroil.
Looseorbrokenbelts.Tightenorreplacebeltset.
Operatingpressuretoohigh.
Reducepressuretorated
operatingpressure.
Recirculationofcoolingair.Closeenclosuredoors.
Closeandsecureaccess
panels.Checkforlooseor
missingbellypans.
Malfunctioningcompressor
oilthermostat.
Replacethermostatelement
inconventionalbypass
valve,ifequipped.Replace
valve.
Loosenorbrokenbelts.Tightenorreplacebeltset.
Malfunctioningminimum
pressurevalve.
Repairorreplacevalve.
6.Highcompressoroil
temperature
103