Graco RentalPro 230 HDR Operation Instructions Manual page 20

Digital Display
3. S/N displays for 1 sec, then the serial number. Short
press DTS button. Total motor run hours displays.
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4. Short press DTS button. Last error code is dis-
played; e.g., E=07. See Motor Control Board
Diagnostics, page 26.
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20
5. Press and hold DTS button to clear error code to
zero. Short press to move to software REV.
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333402A