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Re: reset service hours beeper S250. Posted: 09/19/2009 03:59 PM. To reset the service clock press the LIGHTS button to turn on the panel. Then press and hold the HIGH FLOW and AUXILIARY PRESSURE RELEASE buttons simultaneously, until reset appears in the display.
- then press and hold the tripometer reset button. - don't wait, turn the key to position 2. - hold the button untill the service light flashes 2 times, or the trip mileage changes from 1 to 2 or 2 to1, or the triangle flashes. - quickly release the reset button and then turn the key to the off position.