© Mitsubishi Forklift Trucks 2013. All
© Mitsubishi Forklift Trucks 2013. All
rights reserved.
rights reserved.
Revision: B
Revision: B
Document ID: 615023
Document ID: 615023
153 (244)
153 (244)
PBV20N2
PBV20N2
Service
Service Manual
Manual
13
13
Alarm
Alarm
codes
codes
This chapter explains the meaning of the various alarms that the different controllers
This chapter explains the meaning of the various alarms that the different controllers
may produce. Refer to the chapter
may produce. Refer to the chapter 11
11 for information on the
for information on the TruckTool diagnostics
TruckTool diagnostics
application.
application.
NOTE: If the truck
NOTE: If the truck is equipped with the electrical steering option, the alarm codes of
is equipped with the electrical steering option, the alarm codes of
the steering controller are available in section
the steering controller are available in section 15.11.10.
15.11.10.
13.1
13.1
Traction controller
Traction controller
NOTE: Before you start to troubleshoot the truck, make sure that all
NOTE: Before you start to troubleshoot the truck, make sure that all the power
the power
supplies, fuses and connections are in
supplies, fuses and connections are in order. Low voltage in the
order. Low voltage in the traction controller
traction controller
can cause different sorts of alarms.
can cause different sorts of alarms.
The fault diagnostic system of the traction controller is
The fault diagnostic system of the traction controller is divided into two main groups:
divided into two main groups:
•
•
Alarms
Alarms
These are faults, which open the power bridge and, when possible, also the main
These are faults, which open the power bridge and, when possible, also the main
contactor is opened and the magnetic brake activated. Failures in the motor, the
contactor is opened and the magnetic brake activated. Failures in the motor, the
controller or the safety
controller or the safety functions cause alarms.
functions cause alarms.
•
•
Warning
Warning
These are faults, which do not stop
These are faults, which do not stop the truck or stop the
the truck or stop the truck by using regeneration
truck by using regeneration
braking. The controller is working well, but it has detected some conditions that
braking. The controller is working well, but it has detected some conditions that
reduce the performance or stop the truck without opening the power devices.
reduce the performance or stop the truck without opening the power devices.
Incorrect operation sequences or conditions requiring performance reductions (for
Incorrect operation sequences or conditions requiring performance reductions (for
example, high temperatures) cause warnings.
example, high temperatures) cause warnings.
The text “Stored” means that the
The text “Stored” means that the alarm or warning is stored in
alarm or warning is stored in the traction controller
the traction controller
logbook.
logbook.
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