Mitsubishi PBV20N2 Service Manual page 159

Table of Contents

Advertisement

© Mitsubishi Forklift Trucks 2013. All
© Mitsubishi Forklift Trucks 2013. All
   
   
CODE
CODE
53
53
60
60
62
62
65
65
rights reserved.
rights
reserved. 
 
Revision: B
Revision: B 
 
PBV20N2
PBV20N2
TRUCKTOOL
TRUCKTOOL
AND
AND
DISPLAY
DISPLAY
Controller current sensor failure
Controller current sensor failure
STBY I HIGH
STBY I HIGH
This alarm is displayed if the
This alarm is displayed if the current transducer or the current feedback circuit is damaged in
the controller.
the controller.
This fault is not related to external components, so when it appears,
This fault is not
related to external components, so when it appears, replace the COMBIACX
controller.
controller.
Power capacitor charging error
Power capacitor charging error
CAPACITOR CHARGE
CAPACITOR CHARGE
When the main contactor is open,
When the main contactor is open, the rail capacitors are charged from the
charging resistor. If the voltage on t
charging resistor. If the voltage on the rail capacitors is low and
displayed.
displayed.
In such a case, there are four possibilities:
In such a case, there are
four possibilities:
 
 
 Another device connected in parallel with the rail capacitors
 Another device connec
ted in parallel with the rail capacitors has failed.
 
 
Something is draining the current between the
Something is draining the current between the main contactor and the controller when the
main contactor is open.
main contactor is open.
 
 
There is a problem in
There is a problem in the charging section (for example, a bad
the charging section (for example, a bad contact in the key line).
 
 
 A power failure or a logic failure occurred in the controller. In this c
 A power failure or a logic failure oc
COMBIACX controller.
COMBIACX controller.
Controller has overheated
Controller has overheated
TH. PROTECTION
TH. PROTECTION
This alarm indicates that the controller temperature is over 85°C. T
This alarm indicates that the controller temperature is over 85°C. The maximum current is
reduced proportionally to the temperature increase. The controller stops when 105°C is
reduced proportionally to the temperature increase. The controller stops when 105°C is
reached.
reached.
If this alarm occurs when the controller is cold, there are three possibilities:
If this alarm occurs when the controller is
 
 
There is a fault in the thermal sensor wiring.
There is a fault in the thermal sensor wiring.
 
 
There is a failure in the thermal sensor.
There is a failure in the thermal sensor.
 
 
There is a failure in the logic.
There is a failure in the logic.
In all of
In all of the above cases, replace the COMBIACX controller.
the above cases, replace the COMBIACX controller.
Traction motor has overheated
Traction motor has overheated
MOTOR TEMPERAT.
MOTOR TEMPERAT.
This alarm occurs when the analogue temperature sensor has exceeded the threshold 150°C.
This alarm occurs when the analogue temperature sensor has exceeded the threshold 150°C.
In such a case, check the following:
In such a case, check the following:
 
 
The thermal sensor inside the motor and the outside wiring. The resistance of the
The thermal sensor inside the motor and the
(type KTY83) is 960 Ω at 20°C.
Ω at 20°C.   
(type KTY83) is 960
 
 
If the warning occurs when the motor is
If the warning occurs when the motor is cold and the thermal sensor is OK,
in the COMBIACX controller.
in the COMBIACX controller.
 
 
If the motor is overheating, check that air ventilates freely in the motor compartment.
If the motor is overheating, check that air
https://www.forkliftpdfmanuals.com/
Document ID: 615023
Document ID: 615023
DESCRIPTION
DESCRIPTION
(Alarm)
(Alarm)
current transducer or the current feedback circuit is damaged in
(Alarm)
(Alarm)
the rail capacitors are charged from the key line through a
he rail capacitors is low and does not increase, this alarm is
main contactor and the controller when the
curred in the controller. In this case, replace the
(Warning)
(Warning)
cold, there are three possibilities:
(Warning)
(Warning)
outside wiring. The resistance of the sensor
cold and the thermal sensor is OK, the problem is
ventilates freely in the motor compartment.
158 (244)
158 (244) 
Service Manual
Service
Manual
Stored
Stored
replace the COMBIACX
Stored
Stored
key line through a
does not increase, this alarm is
has failed.
contact in the key line).
ase, replace the
Stored
Stored
he maximum current is
Stored
Stored
sensor
the problem is
 

Advertisement

Table of Contents
loading

Table of Contents