6.2.6 MURPHY diagnostic module
The fault finding module (MDDM) is an indicator for analysis and fault finding designed and manufactured for reading information
available on the J1939 CAN Bus. The fault finding module is easy to use and will enable you to view the values of the various engine
parameters and engine operating status codes.
It shows two lines, each of 8 characters, on a backlit LCD display. Two scroll buttons enable you to navigate in the menus and
parameters. Two LEDs, one red and one orange, indicate the fault or alarm status of the engine or ECU.
A- Machine Parameters
The following parameters are available on the Murphy fault finding module:
- working hours counter
- engine speed
- battery voltage
- engine speed
- coolant temperature
- oil pressure
- fuel economy
- air manifold temperature
- actual consumption
- active status codes
- status codes recorded coming from the engine
- MDDM20 parameter configuration for display
- display of the engine configuration parameters
-etc. depending on the type of engine.
B-Use
The Murphy module (MDDM) offers simple menu navigation:
1.To browse the list of parameters, press the Up and Down buttons.
2.To enter or exit a sub-menu, press both arrows simultaneously.
DISPLAY
LED
SCROLL BUTTONS
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