Magnum MMG100D Manual del operador descargar pdf (Pagina 31)

JOHN DEERE ECU INFORMATION DISPLAYS AND FUNCTIONS

This unit has a John Deere Electronic Engine Control Unit (ECU) which regulates the engine speed (rpm) and

constantly monitors vital engine functions for a number of operation, alarm and fault conditions. When an operation,

alarm or fault condition occurs, the Liquid Crystal Display (LCD) window will alert the operator either visually or

audibly. In addition to the “Alarm List,” there is an “ECU Alarm List” which will list any faults specified by the John

Deere ECU.

Press the “” scroll-up button (on the diagnostic keypad) to view the “ECU Alarm List.” This will allow the operator

to view a description of the fault, along with the diagnostic trouble codes located at the bottom of the display. Refer

to Figure 1. To further identify a fault by using these codes, refer to the John Deere Operators Manual supplied with

the unit. To resume operation, the fault condition must be resolved and the code cleared from the display.

Diagnostic messages are read and displayed in the ECU Alarm List. The Suspect Parameter Number (SPN)*, Failure

Mode Identifier (FMI) and Occurrence Counter (OC) are shown together with a description (if possible). One SPN*/

FMI describes one failure. If FMI is equal to zero or one, “WRN” is displayed in the ECU Alarm list. For any other

FMI value, “FLS” is displayed. Detailed SPN*/FMI information may be found in the SAE HS-1939 Publication, or

refer to engine manufacturers ECU error codes list. The following table shows the ECU messages displayed with

their description

27 Vgen<, > SD YES

The generator voltage is out of limits given by Gen <V

and Gen <V setpoints.

28 Vgen unbal SD NO

The generator voltage is unbalanced more than the

value of Volt unbal setpoint.

29 Wrn ECU Alarm WRN NO ECU alarm list is not empty.

30 Wrn RA15 fail WRN NO

Warning alarm in case of lost connection to IGL=RA15

module.

31 WrnMaintenance WRN NO

The period for servicing is set by the WrnMaintenance

setpoint. The protection comes active if the running

hours of the engine reach this value.

32 CheckDPFStatus WRN NO

Engaged when the diesel particulate filter needs atten-

tion.

No. SPN Description

1 SPN:100 EngOil Press

2 SPN:102 Boost Press

3 SPN:105 Intake Temp

4 SPN:110 EngCool Temp

5 SPN:175 EngOil Temp

6 SPN:629 Controller #1

7 SPN:636 PositionSensor

8 SPN:637 TimingSensor

No.

Events

Specification

Protection

Type

Information on

Binary Output

Available

Description

Figure 1

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 55 56

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