© Mitsubishi Forklift Trucks 2013. All
© Mitsubishi Forklift Trucks 2013. All
rights reserved.
rights reserved.
Revision: B
Revision: B
Document ID: 615023
Document ID: 615023
171 (244)
171 (244)
PBV20N2
PBV20N2
Service
Service Manual
Manual
CODE
CODE
TRUCKTOOL
TRUCKTOOL
AND
AND
DISPLAY
DISPLAY
DESCRIPTION
DESCRIPTION
251
251
Incorrect battery voltage
Incorrect battery voltage
WRONG BATTERY
WRONG BATTERY
(Alarm)
Stored
(Alarm)
Stored
At startup, the controller c
At startup, the controller checks the battery vo
hecks the battery voltage and verifies that it is within a c
ltage and verifies that it is within a certain
ertain
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 nominal
BATTERY 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 same
same
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 the
match, perform the
ADJUST BAT
ADJUST 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 the
measured 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 stop
for 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 operation
operation
of the battery discharge indicator.
of the battery discharge indicator.
252
252
Traction motor feedback amplifier
Traction motor feedback amplifier
failure
failure
WRONG ZERO
WRONG 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 be
be
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 V
fall 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 COMBIACX
the COMBIACX
controller.
controller.
253
253
Error in motor control parameters
Error in motor control parameters
SLIP_PROFILE
SLIP_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 menu
HARDWARE SETTING menu..
254
254
Magnetic brake driver is shorted
Magnetic brake driver is shorted
AUX DRIV.SHR
AUX 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 the
in 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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