PBV20N2 PBV20N2 Service Service ManualManual
CODE
CODE TRUCKTOOL TRUCKTOOL AND AND DISPLAY DISPLAY DESCRIPTIONDESCRIPTION
212212 Controller memory error (RAM wrong)Controller memory error (RAM wrong)
WRONG RAMWRONG RAM
(Alarm)(Alarm)
This alarm indicates that the used program, etc. This alarm indicates that the used program, etc. is incorrect.is incorrect.
213213 Auxiliary output driver errorAuxiliary output driver error
AUX BATT. SHOAUX BATT. SHORT.RT.
(Alarm) Stored(Alarm) Stored
If this alarm occurs, the POSITIVE EB parameter is probably not set If this alarm occurs, the POSITIVE EB parameter is probably not set correctly. Set thecorrectly. Set the
parameter to LEVEL=0.parameter to LEVEL=0.
214214
Lowering valve circuit openLowering valve circuit open
EVP COIL OPENEVP COIL OPEN
(Alarm) Stored(Alarm) Stored
This alarm is displayed if the This alarm is displayed if the solenoid valve circuit is open.solenoid valve circuit is open.
In such a case, check the following:In such a case, check the following:
•
• Wiring, verify that the solenoid valve coil Wiring, verify that the solenoid valve coil circuit is in order between XA1_B/3 and circuit is in order between XA1_B/3 and fuse 3F1.fuse 3F1.
•
• Solenoid valve coilSolenoid valve coil
If the wiring and If the wiring and the solenoid valve coil are the solenoid valve coil are OK, the problem is in the OK, the problem is in the COMBIACX controller.COMBIACX controller.
215215 Lowering valve coil, or driver shortedLowering valve coil, or driver shorted
EVP DRIV. SHORT.EVP DRIV. SHORT.
(Alarm) Stored(Alarm) Stored
This alarm is displayed if the This alarm is displayed if the microcontroller detects a mismatch between the valve set-pointmicrocontroller detects a mismatch between the valve set-point
and the voltage measured on the and the voltage measured on the solenoid valve output. This can be caused by tsolenoid valve output. This can be caused by the following:he following:
•
• The solenoid valve coil circuit is shorted.The solenoid valve coil circuit is shorted.
•
• The COMBIACX solenoid valve driver is The COMBIACX solenoid valve driver is shorted.shorted.
If there is low impedance between the negative of the solenoid valve coil and –Batt, the driverIf there is low impedance between the negative of the solenoid valve coil and –Batt, the driver
circuit is damaged and the COMBIACX controller must be replaced.circuit is damaged and the COMBIACX controller must be replaced.
217217 Pump current feedback sensorPump current feedback sensor
damageddamaged
PUMP I NO ZEROPUMP I NO ZERO
(Alarm) Stored(Alarm) Stored
This alarm indicates that the pump motor’s current feedback sensor has detected currentThis alarm indicates that the pump motor’s current feedback sensor has detected current
flowing in the circuit while the pump motor is not running.flowing in the circuit while the pump motor is not running.
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.
218218
Motor thermal sensor errorMotor thermal sensor error
SENS MOT TEMP KOSENS MOT TEMP KO
(Warning) Stored(Warning) Stored
This warning indicates a motor thermal sensor knockout, meaning that the motor tThis warning indicates a motor thermal sensor knockout, meaning that the motor thermalhermal
sensor has either short or open circuited.sensor has either short or open circuited.
In such a case, check that the In such a case, check that the connector contacts and the cables are in order. Measure theconnector contacts and the cables are in order. Measure the
resistance of the thermal sensor (960resistance of the thermal sensor (960
Ω at 20°C).Ω at 20°C).
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