Mitsubishi PBV20N2 Service Manual page 167

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Revision: B

PBV20N2

TRUCKTOOL

AND

DISPLAY

Proportional valve error

PEV NOT OK

This alarm indicates that the voltage on the positive line of the EV outputs (B2) is too high or

too low.

In such a case, check if the

In such a case, check if the voltage dropped down because of a

not, replace the COMBIACX controller.

Startup diagnosis for key-line failed

KEY OFF SHORTED

This is a startup diagnostic for

This is a startup diagnostic for the key line. This alarm occurs if the

drops below the threshold level of 9.5 V.

In such a case, check if the

In such a case, check if the key input signal voltage drops below the

due to external loads, such as

due to external loads, such as DC/DC converters starting up or relays or contactors energizing

or de-energizing.

If no voltage transient is detected on the supply line and

If no voltage transient is

detected on the supply line and the alarm occurs every time the key is

switched ON, the problem is in the COMBIACX controller.

switched ON, the problem is in the

Magnetic brake driver error

SMARTDRIVER KO

This alarm indicates that the built-in smart driver is open and not

This alarm indicates that the built-in

brake positive.

In such a case, check the harness to see if the smart driver output XA1 B/1

In such a case, check the harness to see

If the output stays at

If the output stays at a low level even

a low level even when disconnecting the wire from the connector pin, the

problem is in the COMBIACX controller.

Short circuit main cont. or magn. brake

coil

COIL SHOR. MC-EB

This alarm occurs when there is a short circuit in the main contactor or magnetic brake coil.

This alarm occurs when there is a short

The typical root cause for this alarm is a problem in the

The typical root cause for this

connections and wiring between the controller and coils.

If there are no external failures or problems, the problem is in the controller and it needs to be

replaced.

Another device is inhibiting controller

WAITING FOR NODE

This warning indicates that the controller has

This warning indicates that the controller has received a message from the CAN bus that

another controller or device in the

another controller or device in the network has experienced a failure. As a

traction controller itself cannot operate, but has

traction controller itself cannot operate, but has to wait for the

recover from the failure.

In case of this warning, check the

In case of this warning, check the additional CAN bus devices for faults.

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Document ID: 615023

DESCRIPTION

(Alarm)

voltage dropped down because of a faulty load connected to B2. If

(Alarm)

the key line. This alarm occurs if the key line (XA1 C/1) voltage

key input signal voltage drops below the undervoltage threshold

DC/DC converters starting up or relays or contactors energizing

COMBIACX controller.

(Alarm)

smart driver is open and not able to provide the

if the smart driver output XA1 B/1 is shorted to –Batt.

when disconnecting the wire from the connector pin, the

(Alarm)

circuit in the main contactor or magnetic brake coil.

alarm is a problem in the harness or in the coil.

harness or in the coil. Check the

(Warning)

received a message from the CAN bus that

network has experienced a failure. As a consequence, the

to wait for the other controller or device to

additional CAN bus devices for faults.

166 (244)

Service Manual

Service

Manual

Stored

faulty load connected to B2. If

key line (XA1 C/1) voltage

undervoltage threshold

the alarm occurs every time the key is

able to provide the magnetic

magnetic

is shorted to –Batt.

Check the

consequence, the

other controller or device to

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Mitsubishi PBV20N2 Service Manual page 167

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