2748 and 2948 Forwarder Electrical System
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Transcript of 2748 and 2948 Forwarder Electrical System
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8/18/2019 2748 and 2948 Forwarder Electrical System
1/2
SCH
ElectrF27
Pa
PCL
© 2 010 Caterpilla r, All Rights Reserved
r
IQANMachineSpecific Errors.
Typeof error Nameof errorText in Message
screenRequired Action
WarningSeat Prox Front
Loss
Front seat prox will
beturnedoffwhile
themachineisin
motion.Checkseat
prox.
Wait for the machine
to stop before rotating
the seat past “B” post.
Check the function of
proxandwiring.
WarningSeatProxRear
Loss
Front seat prox will
beturnedoffwhile
themachineisin
motion.Checkseat
prox.
Wait for the machine
to stop before rotating
the seat past “B” post.
Check the function of
proxandwiring.
Warning Seat Prox LossSeat Prox Wire
BreakLossofsignalcheck
wiring.
Message Wait to start Please wait to startGridairisheatingtheengine.Waitinorder to start the engine.
Warning L ow F ue l L ow F ue l F il l wi th f ue l
Cr i tica l Cr i tica lO versp ee d
Lowerspeedcontrol
inordertosuit
terrain.
This indicates that a
downhilloverspeedof thehydrostaticmotor
orengineoccurred.
Reducespeedsettingofspeedcontrol
potentiometer.
WarningPilot Filter
Restriction
Pilot Filter
Restriction
Thehydraulicpilotfilter is dirty. This erro
willalsooccurwhenoilisnotwarm
enough.
Warning AirFilterRestrictionAirFilterRestrictionTheengineairfilteris
dirty.
WarningReturn Filter
RestrictionReturnFilter Restriction
Thehydraulicoilreturnfilter is dirty. This error willalsooccurwhen
oilisnotwarmenough.
WarningChargeFilter Restriction
ChargeFilter Restriction
Thehydrostaticcharge filter is dirty.Thiserrorwillalso
occurwhenoilisnotwarmenough.
Warning SevereHydraulic
TemperatureWarning
SevereHydraulicTemperature
Warning
Cleanthehydraulicoilcoolerinorderto
reducehighhydraulicoiltemperature.
Checkinordertobesurethatnohydraulic
componentshavefailed.
Critical RearBrakeLow
Pressure RearBrakeLow
Pressure
Rearparkingbrakepressureislow.
Checkpressureor wiring.
Critical RearAccumulator LowPressure
RearAccumulator LowPressure
Rearbrake
accumulatorpressure
islow.Checkpressure
orwiring.
Critical Front Brake lowpressure
FrontBrakelowpressure
Rearparkingbrake
pressureislow.Check
pressure or wiring.
Whenraisingthestepinsomelow
temperature
conditionswillmake
this error occur.
Critical Front accumulator
lowpressure FrontBrakelow
pressure
Rearbrakeaccumulatorpressure
islow.Check
pressure or wiring.
Critical Chargepressure
low. Chargepressure
low.
Hydrostaticchargepressureislow.Checkpressure
Warning Highcoolanttemperature
Highcoolanttemperature
Enginecoolanttemperatureishigh.Cleantheradiator.
Warning Enginewarning
lamp Enginewarning Generalwarninglampforengine.
Warning
Highintakemanifold
temperaturewarning
Highintakemanifold
temperature
Hightemperatureintheengineintake
manifoldwillderatetheengine.
Critical Hydraulicoillevel
islow. Hydraulicoillevelis
low.
Addfluidwhenthehydraulic oilis low.
General IQANMessagesNumber of error Displayed nameof error
D es cr ip ti on Ac ti on
0 Disabled
Thecomponent isdisabled.The
component is notevaluated.
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1 N ot e va lu at ed Notevaluated -
64 OK Status “OK” -
128 H i gh t em per at u reInternaltemperature of
onlymoduleIQANmodules
Determinethecauseofthehightemperatureof
themodule.
129 Lows upp ly v o lt ageModulesupplyvoltage
IQANmodulesonly
Lowbatteryor badconnectionto
module
130 H i ghs uppl y v ol t ageModulesupplyvoltage
IQANmodulesonlySystem over
charging
131Thedateandtimeis
not set.Errorappliesto master
modulesonly.
Set the date andtimeusingthemenu button.
132 Start block - -
133 Low alarm - -134 High alarm - -
135 Saturated - -
1 92 L ow er ro r
Thevalueofthelow
ontheinputchannel.
Anyvoltageinput
couldhave thiserror.
error isbelowthelevelCheckwiringto
thedevicethat
has error. Check
the output of the
device.
1 93 H ig he rr or
TheValueofthehigh
ontheinputchannel.
Anyvoltageinput
couldhave thiserror.
error isbelowthelevelCheckwiringto
thedevicethat
has error. Check
the output of the
device.
1 94 O ve rl oa d
Output overload. Any
current output could
have this error.
Checkforafai ledsolenoidonthedevicewithth is
error.
1 95 O pe nl oa d
Output is
disconnected.Current
currentoutput could
have this error.
i s lessthan50%ofthe
requestedcurrent. Any
Checkwiringand
connectionsto
thedevicethat
hastheerror.
196 Division by zero - -197 Calculation overflow - -
198Negativesquare
root- -
199 Invalid argument - -
200 J1939 error - -
201 J1939 not available - -
202 Timeout - -
203 No contact - -204 M u lt i pl eaddr ess - -
2 05 V RE F er ro r
VREF error was
detected on the IQAN
module.
The +5 or -5 voltsignalfromthe
moduletoswitchescouldbe
disconnected.
206 Internal error - -
207 Critical error - -
208 Pin conflict - -
2 09 C AN b us e rr or TheCANbusdoesnot
work.
Checkwiresof
theCANbus.
2 10 A dd re ss e rr or Invalidtagfo raddress
onmastermodule-
Compon
Mo
E
CID0 0 0 1 Cyl i nd e
0 0 0 2 Cyl i nd e
0 0 0 3 Cyl i nd e
0 0 0 4 Cyl i nd e
0 0 0 5 Cyl i nd e
0 0 0 6 Cyl i nd e
0 04 1 8 V ol t D
0 0 4 2 In je cto r
0 0 9 1 Th rottl e
0 0 9 4 Fu e lDel
0 1 0 0 E n g in e O
0 1 1 0 E n g in e C
0 1 6 4 In je cto r
0 1 6 8 E le ctr i c
0 1 7 2 In ta ke M
0 1 9 0 E n g in e S
0 2 5 3 P e rso n a
0 2 6 1 E n g in e T
0 2 6 2 5 V o l tS
0 2 6 7 Re mote
0 2 6 8 P ro gra m
0 2 7 4 A tmosp
0 2 9 6 Tra nsm
0 3 4 2 S e con d
0 6 1 7 In le tAi r
1 62 7 F u el P um
1 6 3 9 Ma chin e
1 7 8 5 In ta ke M
2 4 1 7 E th er In
¹TheCIDis adiagnosticc
²TheMIDisa diagnosticc
diagnosedthefault.
Event Codes
EngineControlEv en t C od e C on di ti on
E 1 9 4 Hig h E xh a u stTe mp era tu re
E 19 8 L o w Fu el P r es s ur e
E 2 6 5 Use rDefin e d Sh u tdo wn
E 3 6 0 L o wE ng in e Oi lP re ssu re
E 3 6 1 Hig h E ng in e Coo la ntTe mp era tu re
E 3 6 2 E n g in e O versp ee d ( rp m)
E 3 9 0 Fu e lFil te rRestr i cti o n
E 4 4 1 Id le E le va ted to In crea se B atte r yVo l ta ge
E 5 3 9 Hig h Inta ke Man i fold A i rTemp e ra tu re
Related Electrical ServiceManualsTitle Form Number
Eng in eC ont rol : RE NR 93 20
I QA N Mo ni to ri ng a nd C on tr ol : K EN R7 54 6
FailureF MI N o.
0 Da ta val
1 Da ta val
2 Da ta e ra
3 V o l ta g e
4 V o l ta g e
5 Cu r re n t
6 Cu r re n t
7 Me cha n
8 A b n orm
9 A bn o rm
1 0 A b no rm
1 1 Fa i lu re m
1 2 B a d d ev
1 3 O ut o f c
1 4 P a rame
1 5 P a rame
1 6 P a rame
1 7 Mo d ule n
1 8 S en s or s
1 9 C o nd i ti o
2 0 P a rame
¹The FMI is a diagnostic cod
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