Troubleshooting
Error Error
Error
Codes Codes
Codes
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Troubleshooting Troubleshooting
Troubleshooting
Seehelp.graco.comformoredetailontroubleshootingerrors.
NOTE: NOTE:
NOTE:
Whenanerroroccurs,besuretodeterminethecodebeforeresettingit.Ifyouforgetwhicherrorcode
occurred,seetheErrorsscreentoviewthelast200errors,includingdate,time,anddescription.
Error Error
Error
Location Location
Location
Type Type
Type
Description Description
Description
Cause Cause
Cause
Solution Solution
Solution
HoseResistance
Modeisselected
andTCMhasbeen
replacedwithout
re-calibration.
Re-calibratethehose.Followthe
CalibrationProcedure,page72.
05CH
ADM/
TCM
Hose
re-calibration
recommended
HoseResistance
Modeisselected
andADMhasbeen
movedtoanew
systemwithout
re-calibration.
Re-calibratethehose.Followthe
CalibrationProcedure,page72.
Fluidnotinsystem.
Nouidinthepumpcancausealow
motorcurrenterror.Verify:
•Fluidisinpumps.
•Inletvalvesareopen.
Systemcannot
buildpressure.
Anoutletrestrictiondoesnotexist.
VerifyreliefvalvesareinSPRAY
position.
Loose/broken
connection.
Verify:
•Powerconnectoristightlyconnected
atMCMport#15.Conrmwiringis
notpullingconnectoroutofproper
position.
•Cableinsulationorwireisnotcut
orfrayed.
•Wiresaretightlytorquedinpower
connectorterminals.Testby
pullingonindividualwiresinpower
connector.
•Cablenotdamagedatstrainrelief
onmotorcase.
A1NM
MCM
LowMotor
Current
Badmotor.Disconnectmotorpowerconnectorat
MCMport#15.Measureresistances
atmotorpowerconnector.
Mustreadlessthan8ohmsresistance
betweeneachpairofmotorpower
leads(M1toM2,M1toM3,M2toM3).
Ifanyreadingsgreaterthan8ohms
andpreviousstep("Loose/broken
powerconnectionormotorcable")
wasveried,thenmotormayneed
replacement.
14
333024S