Multiquip DCA150SSJU3 Manuel d'utilisateur télécharger pdf (Page 18)

PAGE 18 — DCA150SSJU3 50 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (02/01/10)

DIAGNOSTIC DISPLAY

Figure 4. Diagnostic Display

The diagnostic display panel located inside the control box

on the generator (Figure 4) is designed to meet the needs

for instrumentation and control of electronically controlled

engine communication using the SAEJ1939 Controller Area

Network (CAN). This diagnostic display is a multifunction

tool that enables equipment operators to view many

different engine parameters and service codes.

The keypad on the diagnostic display panel is a capacitive

touch sensing system. There are no mechanical switches

to wear or stick. This keypad (display unit) will operate in

extreme hot or cold weather conditions.

Other components in the system are microprocessor-based

components for displaying critical engine data broadcast

by an electronic engine or transmission’s Engine Control

Unit (ECU): engine RPM, oil pressure, coolant temperature,

system voltage, etc., and a combination audible alarm and

relay unit for warning and shutdown annunciation.

The Engine Control Unit (ECU) used with this generator

diagnosis engine faults that arise with the the engine

control system and the engine itself. Engine faults can

be determined by viewing the Diagnostic Trouble Codes

(Active Fault Codes) which are displayed on the Diagnostic

Display Panel. See the John Deere Engine Operator’s

Manual for a complete listing of active fault codes and

countermeasures.

The following deﬁ nitions describe the controls and functions

of the Diagnostic Display Panel (Figure 4).

1. Menu Button – Press this button to enter or exit menu

screens.

2. Left Arrow Button – Press this button to scroll through

the screen either moving the parameter selection

toward the left or upward.

3. Right Arrow Button – Press this button to scroll

through the screen either moving the parameter

selection toward the right or downward.

4. Enter Key Button – Press this button to select the

parameter that is highlighted on the screen.

5. Emergency Stop LED – When lit (RED) indicates a

major fault has occured. This condition will shudown

the generator.

6. Warning LED – When lit (AMBER), indicates a engine

parameter has exceeded its limits (minor fault). The

generator will still run in this condition.

7. Display Screen – Graphical backlight LCD screen.

Back lighting is controlled via menu or external

dimmer potentiometer. The display can show either a

single parameter or a quadrant display showing four

parameters simultaneously.

8. Diagnostic Switch – When placed in the ON position,

will activate the diagnostic display panel.

9. CAN Diagnostic Connector – Controller Area

Network connector. This connector outputs diagnostic

error codes. Connect a scanner or similar device into

this connector to read error codes.

Display Parameters

The following are some of the engine and transmission

parameters displayed on the diagnostic disply panel.

 Engine RPM’s

 Engine Hours

 System Voltage

 % Engine Load at current RPM

 Coolant Temperature

 Oil Pressure

 Fuel Economy

 Current Fuel Consumption

 Throttle Position

 Engine Manifold Air Temperature

 Active Service Codes

 Set Units for Display (English or Metric)

 English Conﬁ guration Parameters.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 101 102

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Multiquip DCA150SSJU3 Manuel d'utilisateur Page 18

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