PBV20N2 PBV20N2 Service Service ManualManual
CODE
CODE TRUCKTOOL TRUCKTOOL AND AND DISPLAY DISPLAY DESCRIPTIONDESCRIPTION
251251 Incorrect battery voltageIncorrect battery voltage
WRONG BATTERYWRONG BATTERY
(Alarm) Stored(Alarm) Stored
At startup, the controller cAt startup, the controller checks the battery vohecks the battery voltage and verifies that it is within a cltage and verifies that it is within a certainertain
window around the nominal value. If window around the nominal value. If this is not the case, this this is not the case, this alarm is displayed.alarm is displayed.
In such a case, do the following:In such a case, do the following:
•
•
Check that the controller’s SET Check that the controller’s SET BATTERY parameter value matches the battery nominalBATTERY parameter value matches the battery nominal
voltage.voltage.
•
•
Check from the tester menu Check from the tester menu that the BATTERY VOLTAGE parameter shows the that the BATTERY VOLTAGE parameter shows the samesame
value as the battery voltage measured with a value as the battery voltage measured with a voltmeter. If it does not voltmeter. If it does not match, perform thematch, perform the
ADJUST BATADJUST BATTERY function.TERY function.
•
• Replace the battery.Replace the battery.
When adjusting the battery voltage, voltage should be When adjusting the battery voltage, voltage should be measured from the key line, after themeasured from the key line, after the
reverse polarity protection diode. A good measuring point is, reverse polarity protection diode. A good measuring point is, for example, the emergency stopfor example, the emergency stop
button terminal. If the button terminal. If the battery voltage is measured anywhere else, it will cause invalid battery voltage is measured anywhere else, it will cause invalid operationoperation
of the battery discharge indicator.of the battery discharge indicator.
252252
Traction motor feedback amplifierTraction motor feedback amplifier
failurefailure
WRONG ZEROWRONG ZERO
(Alarm) Stored(Alarm) Stored
The outputs of the The outputs of the amplifiers (used to measure the traction motor voltage) are checked to amplifiers (used to measure the traction motor voltage) are checked to bebe
within a certain range. This within a certain range. This alarm occurs when the voltage signals exceed 3 V or alarm occurs when the voltage signals exceed 3 V or fall below 2 Vfall below 2 V
at the startup.at the startup.
This fault is not This fault is not related to external components, so when it appears, replace related to external components, so when it appears, replace the COMBIACXthe COMBIACX
controller.controller.
253253 Error in motor control parametersError in motor control parameters
SLIP_PROFILESLIP_PROFILE
(Alarm) Stored(Alarm) Stored
This alarm indicates that there is an This alarm indicates that there is an error in the chosen slip error in the chosen slip profile parameters.profile parameters.
Check the value of those parameters in the Check the value of those parameters in the HARDWARE SETTING menuHARDWARE SETTING menu..
254254
Magnetic brake driver is shortedMagnetic brake driver is shorted
AUX DRIV.SHRAUX DRIV.SHRT.T.
(Alarm) Stored(Alarm) Stored
This alarm indicates that the driver of This alarm indicates that the driver of the magnetic brake is shorted.the magnetic brake is shorted.
Check if there is a Check if there is a shortcut between XA1 A/4 and –Batt. Otherwise, the driver shortcut between XA1 A/4 and –Batt. Otherwise, the driver in thein the
COMBIACX controller is damaged and the controller has to be COMBIACX controller is damaged and the controller has to be replaced.replaced.
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