Electrical systems – 5000 Diagnostic and troubleshooting T-code 787, 788
Valid from serial number 931876-
Date 2006-04-10
Order number 232370-040
Table 28: List of error codes Code
Description
Possible cause / Hint or Solution
C52
Wrong trucktype
Wrong trucktype selected / # 22 is probably entered incorrectly / Check # 22. If #24=1, then #22=1
C80
Steer servo - Home reference error
Reference sensor receives incorrect signal. [S65] Faulty reference sensor [S65] / Inspect the sensor cabling.
C81
Steer servo - Home reference error
Defective home reference sensor [S65] / Low voltage feed to reference sensor. 12 V between cables 95-97 / Inspect the cabling to the reference sensor [S65] Check condition of [F50]
C82
Steer servo- drive current warning
Steer servo drive current is exceeding 80% of maximum. Steering activity may be too intensive See also code E132
C90
Communication problem with the expansion unit (Expansion unit 1)
Verify the voltage supplied to the unit (A36: POWER SUPPLY 24VDC) and check that the CAN cabling is OK.
C91
Communication problem with the expansion unit (Expansion unit 2)
Verify the voltage supplied to the other expansion unit and check that the CAN cabling is OK.
C92
Programming warning (Expansion unit 1)
Incorrect programming of expansion unit “SEU” 1 [A36]. The truck travels at creep speed. / May have been caused by incorrect allocation of an output during adjustment of the option parameters (16 to 19). Verify all settings of any option parameters...
C93
Programming warning (Expansion unit 2)
Incorrect programming of expansion unit “SEU” 2. The truck travels at creep speed. / May have been caused by incorrect allocation of an output during adjustment of the option parameters (16 to 19). Verify all settings of any option parameters.
E101
Transistor regulator [A1] incompatible with the type of truck
An incorrect transistor regulator type has been installed. / Verify that the correct transistor regulator type has been installed.
E104
Brake switch transistor output in transistor regulator [A1] shorted
Defective transistor regulator [A1] / Check cables and magnetic coil to the brake [Y1]
E106
Digital output fault or field current limit
Attempting to drive more current than specified from outputs. OR problem regulating field current. Internal transistor regulator fault. [A1]
10- 66
Service Manual
7LOP10CW, 7LOP10CF
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