GE AF-70 LP User Manual

AF-70 LP
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10
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28
10. TroubleShooting
10.1. FaultCodeMessages
Fault
Code
No.
Description
SuggestedRemedy
no-Flt
00
NoFault
Notrequired
OI-b
01
Brakechannelovercurrent
Checkexternalbrakeresistorconditionandconnectionwiring
OL-br
02
Brakeresistoroverload
Thedrivehastrippedtopreventdamagetothebrakeresistor
O-I
03
OutputOverCurrent
InstantaneousOvercurrentonthedriveoutput.Excessloadorshockloadonthemotor.
Note:
Followingatrip,thedrivecannotbeimmediatelyreset.Adelaytimeisinbuilt,whichallowsthe
powercomponentsofthedrivetimetorecovertoavoiddamage.
I.t-trp
04
MotorThermalOverload(I2t)
Thedrivehastrippedafterdelivering>100%ofvalueinF-08foraperiodoftimetopreventdamageto
themotor.
PS-trp
05
Powerstagetrip
Checkforshortcircuitsonthemotorandconnectioncable
O-Volt
06
OvervoltageonDCbus
Checkthesupplyvoltageiswithintheallowedtoleranceforthedrive.Ifthefaultoccursondeceleration
orstopping,increasethedecelerationtimein
F-04orinstallasuitablebrakeresistorandactivatethe
dynamicbrakingfunctionwithH-34
U-Volt
07
UndervoltageonDCbus
Theincomingsupplyvoltageistoolow.Thistripoccursroutinelywhenpowerisremovedfromthedrive.
Ifitoccursduringrunnin
g,checktheincomingpowersupplyvoltageandallcomponentsinthepower
feedlinetothedrive.
O-t
08
Heatsinkovertemperature
Thedriveistoohot.Checktheambienttemperaturearoundthedriveiswithinthedrivespecification.
Ensuresufficientcoolingairisfreetocirculatearoundthedrive.

Increasethepanelventilationifrequired.Ensuresufficientcoolingaircanente
rthedrive,andthatthe
bottomentryandtopexitventsarenotblockedorobstructed.
U-t
09
Undertemperature
Tripoccurswhenambienttemperatureislessthan-10°C.Temperaturemustberaisedover-10°Cin
ordertostartthedrive.
P-dEF
10
FactoryDefaultparametersloaded

E-trip
11
Externaltrip
E-triprequestedondigitalinput3.Normallyclosedcontacthasopenedforsomereason.Ifmotor
thermistorisconnectedcheckifthemotoristoohot.
SC-ObS
12
Optibuscommsloss
Checkcommunicationlinkbetweendriveandexternaldevices.Makesureeachdriveinthenetworkhas
itsuniqueaddress.
FLt-dc
13
DCbusrippletoohigh
Checkincomingsupplyphasesareallpresentandbalanced
P-LOSS
14
Inputphaselosstrip
Checkincomingpowersupplyphasesarepresentandbalanced.
hO-I
15
OutputOverCurrent
Checkforshortcircuitsonthemotorandconnectioncable
Note:
Followingatrip,thedrivecannotbeimmediatelyreset.Adelaytimeisinbuilt,whichallowsthe
powercomponentsofthedrivetimetorecovertoavoiddamage.
th-Flt
16
Faultythermistoronheatsink

dAtA-F
17
Internalmemoryfault.(IO)
Pressthestopkey.Ifthefaultpersists,consultyousupplier.
4-20F
18
4-20mASignalLost
Checktheanaloginputconnection(s).
dAtA-E
19
Internalmemoryfault.(DSP)
Pressthestopkey.Ifthefaultpersists,consultyousupplier.
F-Ptc
21
MotorPTCthermistortrip
Connectedmotorthermistorovertemperature,checkwiringconnectionsandmotor
FAN-F
22
CoolingFanFault(IP66only)
Check/replacethecoolingfan
O-hEAt
23
Driveinternaltemperaturetoohigh
Driveambienttemperaturetoohigh,checkadequatecoolingairisprovided
OUT-F
26
OutputFault
Indicatesafaultontheoutputofthedrive,suchasonephasemissing,motorphasecurrentsnot
balanced.Checkthemotorandconnections.
AtF-01
40
AutotuneFault
Themotorparametersmeasuredthroughtheautotunearenotcorrect.
Checkthemotorcableandconnectionsforcontinuity

Checkallthreephasesofthemotorarepresentandbalanced

AtF-02
41
AtF-03
42
AtF-04
43
AtF-05
44
SC-F01
50
Modbuscommslossfault
ChecktheincomingModbusRTUconnectioncable
CheckthatatleastoneregisterisbeingpolledcyclicallywithinthetimeoutlimitsetinH-36Index3
SC-F02
51
CANopencommslosstrip
ChecktheincomingCANconnectioncable
CheckthatcycliccommunicationstakeplacewithinthetimeoutlimitsetinH-36Index3
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GE AF-70 LP Specifications

General

Brand	GE
Model	AF-70 LP
Category	Inverter
Language	English