PBV20N2 PBV20N2 Service Service ManualManual
CODE
CODE TRUCKTOOL TRUCKTOOL AND AND DISPLAY DISPLAY DESCRIPTIONDESCRIPTION
5353 Controller current sensor failureController current sensor failure
STBY I HIGHSTBY I HIGH
(Alarm) Stored(Alarm) Stored
This alarm is displayed if the This alarm is displayed if the current transducer or the current feedback circuit is damaged incurrent transducer or the current feedback circuit is damaged in
the controller.the controller.
This fault is not This fault is not related to external components, so when it appears, related to external components, so when it appears, replace the COMBIACXreplace the COMBIACX
controller.controller.
6060 Power capacitor charging errorPower capacitor charging error
CAPACITOR CHARGECAPACITOR CHARGE
(Alarm) Stored(Alarm) Stored
When the main contactor is open, When the main contactor is open, the rail capacitors are charged from the the rail capacitors are charged from the key line through akey line through a
charging resistor. If the voltage on tcharging resistor. If the voltage on the rail capacitors is low and he rail capacitors is low and does not increase, this alarm isdoes not increase, this alarm is
displayed.displayed.
In such a case, there are In such a case, there are four possibilities:four possibilities:
•
• Another device connecAnother device connected in parallel with the rail capacitors ted in parallel with the rail capacitors has failed.has failed.
•• Something is draining the current between the Something is draining the current between the main contactor and the controller when themain contactor and the controller when the
main contactor is open.main contactor is open.
•
• There is a problem in There is a problem in the charging section (for example, a bad the charging section (for example, a bad contact in the key line).contact in the key line).
•
•
A power failure or a logic failure ocA power failure or a logic failure occurred in the controller. In this ccurred in the controller. In this case, replace thease, replace the
COMBIACX controller.COMBIACX controller.
6262 Controller has overheatedController has overheated
TH. PROTECTIONTH. PROTECTION
(Warning) Stored(Warning) Stored
This alarm indicates that the controller temperature is over 85°C. TThis alarm indicates that the controller temperature is over 85°C. The maximum current ishe maximum current is
reduced proportionally to the temperature increase. The controller stops when 105°C isreduced proportionally to the temperature increase. The controller stops when 105°C is
reached.reached.
If this alarm occurs when the controller is If this alarm occurs when the controller is cold, there are three possibilities:cold, there are three possibilities:
•
• There is a fault in the thermal sensor wiring.There is a fault in the thermal sensor wiring.
•
• There is a failure in the thermal sensor.There is a failure in the thermal sensor.
•• There is a failure in the logic.There is a failure in the logic.
In all of In all of the above cases, replace the COMBIACX controller.the above cases, replace the COMBIACX controller.
6565 Traction motor has overheatedTraction motor has overheated
MOTOR TEMPERAT.MOTOR TEMPERAT.
(Warning) Stored(Warning) Stored
This alarm occurs when the analogue temperature sensor has exceeded the threshold 150°C.This alarm occurs when the analogue temperature sensor has exceeded the threshold 150°C.
In such a case, check the following:In such a case, check the following:
•
•
The thermal sensor inside the motor and the The thermal sensor inside the motor and the outside wiring. The resistance of the outside wiring. The resistance of the sensorsensor
(type KTY83) is 960(type KTY83) is 960 Ω at 20°C.Ω at 20°C.
•
•
If the warning occurs when the motor is If the warning occurs when the motor is cold and the thermal sensor is OK, cold and the thermal sensor is OK, the problem isthe problem is
in the COMBIACX controller.in the COMBIACX controller.
•
•
If the motor is overheating, check that air If the motor is overheating, check that air ventilates freely in the motor compartment.ventilates freely in the motor compartment.
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