Nice UST1-FU User Manual

EN
English – 9
OPERATION CURVES
(FU)
C12
(FU)
C12
(FU)
C13
(FU)
C13
(UST1FU)
Poti2
(UST1FU)
Poti3
(UST1FU)
Poti1
(UST1FU)
Poti1
(X5)
P8
(X5)
P9
Operation curves with parameter setting assigned
Error/
status

Description
Cause
Remedy
OC1
Shortcircuitoroverload
Shortcircuit
Lookforthecauseoftheshortcircuit,
checktheline

Capacitivechargingcurrentof
themotorlinetoohigh

Useashortermotorlinewithlower
chargingcurrent

Timeforgoingintofullspeed(C12,c01)too
short

Increasethetimeforgoingintofull
speed
Checkthesizingoftheregulator

Motorlinedamaged
Checkthemotorline
Faultinsidethemotor
Checkthemotor
Overloadfrequentandlengthy
Checkthesizingoftheregulator
OC2
Earthcontact
Motorphasewithearthcontact
Checkthemotor/motorline
Capacitivechargingcurrentof
themotorlinetoohigh
Useashortermotorlinewithlower
chargingcurrent
OC6
Motoroverload
Thermalmotoroverloaddueto:unreliable
continuouscurrent,frequentortoolengthy
accelerationprocesses

Checkthesizeoftheregulator
Checkthesettingofc20
OH
Regulatorovertemperature
Spaceinsidetheregulatortoohot
Reducetheloadoftheregulator
Improvecooling
OU
Overvoltageintheintermediate
circuitduringtheprocess
(warning)

Mainsvoltagetoohigh

Checkthemainsvoltage

Processtimeveryshortormotorin
generatormode

Increasetheprocesstimeorusethe
optionfordynamicbraking

Earthcontactmotorside
Checkthemotor/motorline(Separate
themotorfromtheregulator)

5F
Singlephaseerror
Lossofthemainsphase
Checkthemainsvoltage


Nice UST1-FU Specifications

General

Brand	Nice
Model	UST1-FU
Category	Control Unit
Language	English