Troubleshooting
Symptom
Power(GreenLED)lightdoesnotcomeon
Motormakesnoisebutisnotmoving(Stalled)
Motorisnotmakinganynoiseandisnotmoving
(nopowertomotor)
CircuitBreakertripswhenpowerappliedtoVXM
CircuitBreakertripswhilerunningmotorforashort
time
CircuitBreakertripswhilerunningmotor
foralong
time
Controlleristoohottotouch(Itisnormalfor
ControllerandMotordogetverywarmwhen
runningcontinuously)
Motorrunserratically(atlowestspeedsgoeseither
direction,andhaslowtorqueatmidspeeds)
Motoralwaysgoesoppositedirection
VXMresetsitselfandsends“ËB”tothehost.
VXMcontinuouslyresetsitself(flashespowerlight
slowly)andsends“ËB”stothehost.
Power(GreenLED)lightflashesrapidlyand
continuouslyonpower-up
On-Linelightflashingcontinuously(yellowLED)
PowerandOn-LinelightflashrapidlyandVXM
sends“ËM”tothehost.
PowerandOn-LinelightflashrapidlyandVXM
sends“
ËL”tothehost.
PowerandOn-LinelightflashrapidlyandVXM
sends“ËJ”tothehost.
PowerandOn-LinelightflashrapidlyandVXM
sends“ËC”tothehost.
Possible Cause
PowersupplynotconnectedorACcordnot
attached. Powerswitchnoton. Circuitbreaker
tripped(whitecenterprotrudingfrombreaker.)
VXMnotconfiguredforMotor,speedtoohigh,
brokenwiring,orjammedmechanism/motor.
Limitswitchesnotconnectedorsetforwrong
typeswitches
Voltage>28voltsorpolarityreversed
Wrongmotorselected. Shorted
wiring.
Wrongmotorsetting. Shortedwiring. Controller
overheatingfromlackofventilationorambient
temperaturetoohigh
Wrongmotorsetting. Lackofventilationor
ambienttemperaturetoohigh. NOTE:Motor
shouldalwaysbemountedforheatconduction.
Brokenwiretomotororbrokenconnectorpin
”
and“
Directionswereinvertedwiththe“
command.
Refertothe“getDM
command.
Amotor3or4commandwassenttotheVXM
whenthereisnotasecondVXMconnectedto
theVXMbus.
AmasterVXMattemptscommunicationwitha
Slavethatisoff.
setDM
setDM”
Run,Stop,oraJoginputispulledlow. TheVXM
doesnot
allowbuttonJoginputstobeactivated
atpowerup.(releasebutton/inputtorecover.)
RS-232 overrun error, host sent commands
whileVXMwasbusysendingrequesteddata
(poweroff/ontorecover.)
Programmemoryisfull(send“K”torecover.)
Morethan10nestedLoopcommands
encounteredperrun(send“K”torecover.)
More
than4nested"JMx"sencounteredperrun
(send“K”torecover.)
When"U9x"missingormotornotthesame
whencontinuousindexing(send“K”torecover.)
30