- Error message in detector display at start-up: System not calibrated
- 2487 Dual Wavelength Absorbance Detector
The battery of the 2487 is empty and the memory PCB was cleared.
FIX or WORKAROUND
1. Change the battery:
1.1. Power-down the detector and remove the power cord.
1.2. Remove the four Phillips screws from the lower four corners of the cover.
1.3. Push the cover back slightly, and then lift it gently off.
1.4. Localize the battery and replace it (part number WAT080443).
1.5. Set the cover back on and slide it forward into place.
1.6. Reinstall the four Phillips screws in the lower four corners of the cover.
1.7. Replace the power cord.
1.8. Power-up the 2487.
2. Calibrate the instrument
2.1. Press Calibrate (Shift 3) on the 2487 detector keypad.
2.2. A message appears asking whether you removed the cuvette and flushed the flow cell with a transparent solvent (methanol or water are recommended).
2.3. Press Enter to continue the calibration cycle.
2.4. Press Enter to complete calibration.