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| Illustration 1 | g00528073 |
The digital display window provides a readout that shows the following items.
- Operational hours (service hours)
- Engine speed (tachometer)
- Engine oil pressure
- Diagnostic codes
The operator presses the top of the rocker switch (1) in order to scroll through the following parameters. Hold down the switch for at least one second. The parameters will scroll across the digital display window (2). When the desired parameter is displayed, release the switch.
Service Hour Meter
| Service Hour Meter (2) - This display indicates the total operating hours of the engine. Use the display in order to determine the service hour maintenance intervals. |
Tachometer
| Digital Tachometer (2) - The tachometer displays the engine rpm during machine operation. |
Engine Oil Pressure
| Engine Oil Pressure (2) - Press the rocker switch in order to display engine oil pressure. |
Diagnostic Code
The Service Code indicator (2) displays that a diagnostic code problem may exist. Press the rocker switch. The mode for diagnostic scrolling allows service personnel or an operator to see service codes.
Upon entering the diagnostic scrolling mode, the service codes are momentarily scrolled on the display area. When the last service code has been shown, "End" is shown, then the service codes are shown again. When there are no service codes present, "---" is shown continuously.
The service code indicator (SERV CODE) functions as a fault present indicator in diagnostic scrolling mode. When "SERV CODE" is ON, the fault that caused the service code currently being shown is present. If "SERV CODE" is off, the fault is not present at this time, but has occurred previously. For details refer to Service Manual, "Caterpillar Monitoring System".