Mitsubishi PBV20N2 Service Manual page 166

© Mitsubishi Forklift Trucks 2013. All © Mitsubishi Forklift Trucks 2013. All
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rights rights reserved. reserved. Revision: B Revision: B
PBV20N2 PBV20N2
TRUCKTOOL TRUCKTOOL AND AND DISPLAY DISPLAY
Controller memory error (RAM wrong) Controller memory error (RAM wrong)
WRONG RAM WRONG RAM
This alarm indicates that the used program, etc. This alarm indicates that the used program, etc. is incorrect.
Auxiliary output driver error Auxiliary output driver error
AUX BATT. SHORT. AUX BATT. SHO RT.
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 the
parameter to LEVEL=0. parameter to LEVEL=0.
Lowering valve circuit open Lowering valve circuit open
EVP COIL OPEN EVP COIL OPEN
This alarm is displayed if the solenoid valve circuit is open. This alarm is displayed if the
In such a case, check the following: In such a case, check the following:
Wiring, verify that the solenoid valve coil circuit is in order between XA1_B/3 and Wiring, verify that the solenoid valve coil
• •
Solenoid valve coil Solenoid valve coil
• •
If the wiring and the solenoid valve coil are If the wiring and the solenoid valve coil are OK, the problem is in the
Lowering valve coil, or driver shorted Lowering valve coil, or driver shorted
EVP DRIV. SHORT. EVP DRIV. SHORT.
This alarm is displayed if the microcontroller detects a mismatch between the valve set-point This alarm is displayed if the
and the voltage measured on the and the voltage measured on the solenoid valve output. This can be caused by t
The solenoid valve coil circuit is shorted. The solenoid valve coil circuit is shorted.
• •
The COMBIACX solenoid valve driver is shorted. The COMBIACX solenoid valve driver is
• •
If there is low impedance between the negative of the solenoid valve coil and –Batt, the driver If 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.
Pump current feedback sensor Pump current feedback sensor
damaged damaged
PUMP I NO ZERO PUMP I NO ZERO
This alarm indicates that the pump motor's current feedback sensor has detected current This 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 related to external components, so when it appears, replace the This fault is not related to external components, so when it appears, replace the COMBIACX
controller. controller.
Motor thermal sensor error Motor thermal sensor error
SENS MOT TEMP KO SENS MOT TEMP KO
This warning indicates a motor thermal sensor knockout, meaning that the motor thermal This warning indicates a motor thermal sensor knockout, meaning that the motor t
sensor has either short or open circuited. sensor has either short or open circuited.
In such a case, check that the connector contacts and the cables are in order. Measure the In such a case, check that the
resistance of the thermal sensor (960 Ω at 20°C). resistance of the thermal sensor (960
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Document ID: 615023 Document ID: 615023
DESCRIPTION DESCRIPTION
(Alarm) (Alarm)
is incorrect.
(Alarm) (Alarm)
(Alarm) (Alarm)
solenoid valve circuit is open.
circuit is in order between XA1_B/3 and fuse 3F1.
OK, the problem is in the COMBIACX controller.
(Alarm) (Alarm)
microcontroller detects a mismatch between the valve set-point
solenoid valve output. This can be caused by the following:
shorted.
(Alarm) (Alarm)
(Warning) (Warning)
connector contacts and the cables are in order. Measure the
Ω at 20°C).
165 (244) 165 (244)
Service Manual Service Manual
Stored Stored
correctly. Set the
Stored Stored
fuse 3F1.
COMBIACX controller.
Stored Stored
he following:
Stored Stored
COMBIACX
Stored Stored
hermal