Electrical system – 5000 Diagnostic and troubleshooting T-code 795
Valid from serial number 904526-
Date 2006-04-10
Order number 235568-040
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 Status LED code
Error code description
Possible cause / Hint or Solution
¤ (1)
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.
CONTACTOR DRIVER
Main contactor[K10] not responding when driven. / Check Main contactor coil and wiring.
DRIVER SHORTED
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.
CONTACTOR CLOSED
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.
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.
¤¤ (2)
¤ ¤¤ (1+2)
¤ ¤¤¤ (1+3)
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Service Manual
SP10, SP10S
© TIEE SARL
