PBV20N2 PBV20N2 Service Service ManualManual
CODE
CODE TRUCKTOOL TRUCKTOOL AND AND DISPLAY DISPLAY DESCRIPTIONDESCRIPTION
232232 Auxiliary output load too highAuxiliary output load too high
CONT. DRV. EVCONT. DRV. EV
(Alarm)(Alarm)
This alarm is displayed if the This alarm is displayed if the hydraulic valve coil load is too hydraulic valve coil load is too high for the controller valve driverhigh for the controller valve driver
circuit.circuit.
In such a case, check the following:In such a case, check the following:
•
•
Hydraulic valve coil conditionHydraulic valve coil condition
•
• WiringWiring
If the device or itIf the device or its driving circuit is damaged, replace the controller.s driving circuit is damaged, replace the controller.
233233
Power MOSFET error in controllerPower MOSFET error in controller
POWER MOS SHORTPOWER MOS SHORT
(Alarm) Stored(Alarm) Stored
Before switching the main contactor on, the software checks the power bridge. Before switching the main contactor on, the software checks the power bridge. It turns the lowIt turns the low
and high side power mosfets on one and high side power mosfets on one by one and expects the phase voltage tby one and expects the phase voltage to decrease downo decrease down
to –Batt. If the to –Batt. If the phase voltage does not decrease, this alarm occurs.phase voltage does not decrease, this alarm occurs.
This fault is not This fault is not related to external components, so when it appears, replace the related to external components, so when it appears, replace the COMBIACXCOMBIACX
controller.controller.
234234 Electrovalve driver is shortedElectrovalve driver is shorted
DRV. SHOR. EVDRV. SHOR. EV
(Alarm) Stored(Alarm) Stored
This alarm is displayed if the This alarm is displayed if the solenoid valve EVXX (XX = 01, 02 solenoid valve EVXX (XX = 01, 02 or 03) driver is shorted.or 03) driver is shorted.
Check if there is a short or low impedance between the negative of one of the coils and –Batt.Check if there is a short or low impedance between the negative of one of the coils and –Batt.
If not, the If not, the driver circuit is damaged and the controller must be replaced.driver circuit is damaged and the controller must be replaced.
235235
Electrovalve coil is shortedElectrovalve coil is shorted
COIL SHOR. EV.COIL SHOR. EV.
(Warning) Stored(Warning) Stored
This warning is displayed if one This warning is displayed if one of the solenoid valve’s EV (XY1 or of the solenoid valve’s EV (XY1 or XY2) coils is shorted.XY2) coils is shorted.
Check if there is a short or low impedance between the negative of the EV coil and +Batt. IfCheck if there is a short or low impedance between the negative of the EV coil and +Batt. If
not, the controller is damaged and not, the controller is damaged and must be replaced.must be replaced.
236236
Error in controller initialization atError in controller initialization at
manufacturermanufacturer
CURRENT GAINCURRENT GAIN
(Alarm) Stored(Alarm) Stored
This alarm indicates that the maximum current gain parameters are at their This alarm indicates that the maximum current gain parameters are at their default values,default values,
meaning that the maximum current procedure has not been carried meaning that the maximum current procedure has not been carried out.out.
This fault is not This fault is not related to external components, so when it appears, replace the related to external components, so when it appears, replace the COMBIACXCOMBIACX
controller.controller.
237237
Error in analog input valuesError in analog input values
ANALOG INPUANALOG INPUTT
(Alarm) Stored(Alarm) Stored
This alarm occurs when the conversion of the analogue iThis alarm occurs when the conversion of the analogue inputs provides frozen values.nputs provides frozen values.
If the If the alarm occurs permanently, replace the COMBIACX controller.alarm occurs permanently, replace the COMBIACX controller.
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