OPERATING INSTRUCTIONS RH 340 Operation

(Fig. 2-47:)

No. Element Function Symbol

51 Button Starting (left engine 1)

Starts the engine. Hold switch approx. 5 – 7 sec. This is necessary to start and pressurize the engines prelube system. After then the engine starts automatically.

52 Button Stopping (left engine 1)

53 Button Idling (left engine 1)

Shuts off the engine.

Shuts off the engine with 5 minutes after run.

54 Switch Not connected.

55 Switch Diagnostic ON / OFF Switches the stored fault indication of engine electronics for engine 1 (LH) on/off. After switch-on, warning lamps 41, 42 and 43 light up together (lamp test) and go out after a few seconds. Stored faults are then indicated by one of the warning lamps 41, 42, 43 as flash code signals. The sequence of the flash signals represents a three-digit number, e.g.: one flash, brief pause = 1 three flashes, brief pause = 3 four flashes, brief pause = 4 Thus, the fault code is "134". The service technician can then determine the cause of the fault from a fault table.

56 Speed adjustment Potentiometer (left engine 1)

Regulates the engine speed

 turn CCW to limit stop: idling speed

 turn CW to limit stop: full-load speed

57 Button Diagnostic increment / decrement

Permits the selection and indication of the following or the preceding fault in case of several faults in the fault memory. The pertaining fault code is indicated by the flash code signals from one of the warning lamps 41, 42, 43.