User's Manual

Troubleshooting
Troubleshooting Troubleshooting
Troubleshooting
Error Error
Error
Codes Codes
Codes
Whenerroroccur,press
toacknowledgeeacherror.Afterbeingacknowledged,theerrorwillclear
automaticallywhentheconditionthatcauseditiscorrected.Activeerrorsscrollonthemenubar
AlarmsshutdownthePatternControllerandactivatethedrycontactPLCoutput.Advisoriesanddeviations
areinformationalonlyanddonotshutthesystemdown.
Alarms Alarms
Alarms
(shut (shut
(shut
the the
the
system system
system
down) down)
down)
Code Code
Code
Description Description
Description
Cause Cause
Cause
Solution Solution
Solution
CheckforgreenpowerlightonthePattern
Controller
CAXPCommunication
Error
ADMunableto
communicatewith
PatternController
Checkcommunicationcabling
A40P
OvercurrentOvercurrenton
accessorypowersupply
output
Checkaccessorycablingforshortcircuit
CheckADMCANcablingforshortcircuit
A4XP
OvercurrentOvercurrenton
communicationcable
output
Replacedisplay(ADM)
Checkwiringforshortcircuit
A4_P
OvercurrentOvercurrentonvalve
output“_”
Verifyvalveresistanceishigherthan24ohms
Selectencoderwithlowerpulserate
K4_PHighPulseRate
Encoder“_”pulserate
exceedsmaximumlimit
Reducelinespeedorgearingratio
Advisories Advisories
Advisories
and and
and
Deviations Deviations
Deviations
(do (do
(do
not not
not
shut shut
shut
the the
the
system system
system
down) down)
down)
Code Code
Code
Description Description
Description
Cause Cause
Cause
Solution Solution
Solution
Tocheckforoverloadedpowersupply,
measurethevoltagewithallvalvesoff,and
thenwithallvalveson(purging).
Tocheckforoverheatedpowersupply,allow
theunittocoolandrecheckvoltage.
V1_PLowVoltagePowersupplyvoltage
below18VDC
Adjustvoltageto24Vifpossible,orreplace
thepowersupply.
V4_PHighVoltagePowersupplyvoltage
above28VDC
Adjustvoltageto24Vifpossibleorreplacethe
powersupply.
PoorEncoderCoupling
online“_”
Checktoensurepropercouplingbetween
lineandencoder.VerifyPatterncontroller
isreadingappropriatelinespeed(see
LineMode(Screen2),page22).
K1_P
LowLineSpeed
LineSpeedislessthan
lowlinespeedalarm
levelonline“_”
Increaselinespeedordecrease
lowlinespeedalarmlevel(see
LineMode(Screen2),page22).
36 334784A