Electrical system – 5000

Diagnostic

10.9.3 List of error codes

NOTE!

It is important to understand that certain Status LED codes can be caused by different error codes. The most accurate diagnosis will be made when using the hand terminal.

Table 15: List of error codes

¤ (1)

¤¤ (2)

Watch-dog Electronic card and/or software failure. / Replace transistor regulator.

EEPROM KO EEPROM or Logic problem. / Replace transistor regulator.

EB DRIVER SHORT Output for electromagnetic brake coil [Y1] s/c to -BATT. / Check wiring to brake coil.

EB DRIVER KO Output for electromagnetic brake coil [Y1] not functioning. / Replace transistor regulator.

¤ ¤¤ (1+2)

CONTACTOR DRIVER

DRIVER SHORTED

CONTACTOR CLOSED

Main contactor[K10] not responding when driven. / Check Main contactor coil and wiring.

The main contactor coil is either s/c, o/c or not connected. Main contactor o/p s/c to -BATT. / Check Main contactor coil and wiring.

Main contactor tips [K10] are fused. Field circuit problem. Problem detected by the safety micro processor. / Check Main contactor tips are not fused. Check field winding connections. If above is ok replace transistor regulator.

CONTACTOR OPEN Unexpected drop in battery voltage after Main contactor closes. / Check Main contactor and wiring. Check battery charge condition.

¤ ¤¤¤ (1+3)

POWER FAILURE #1 s/c detected on driver output to main contactor [K10] or brake coil [Y1]. / Check for s/c in main contactor and brake coil circuit. If above is ok replace transistor regulator.

Table 15: List of error codes

¤¤ ¤ (2+1) CAPACITOR CHARGE

VMN NOT OK