Bosch ACS 653-P - Page 38

ACS 653, ACS 663 Service Manual
SP00D00624 2021-04-08 Robert Bosch GmbH
38
Diagnostics and Testing
Drain Load Cell Calibration
1. With the Calibrate Load Cell menu displayed,
use the up/down arrow keys to toggle to the
Drain Load Cell service menu. The following
displays:
2. Select  icon to enter the Drain Load Cell
calibration menu. The following displays:
3. Select  icon to begin the calibration.
Selecting  icon returns to the Calibrate
Load Cell service menu.
Follow all remaining calibration instructions
displayed.
• First point calibration without nothing.
• Second point calibration with 500 g
(editable).
• Check with 250 g (not editable) and
conrm with  icon.
 DO NOT DISTURB unit during weight
calibration.
8. If the calculation is accepted, the following
is displayed:
9. Typically adding 1.00 kg (2 lb) is su󰀩cient
to perform this test.
10. If  icon is selected and the calibration is
accepted, the following displays:
11. Select  icon to terminate.
12. If the calibration is not accepted, a Calibration
Failed screen is displayed as shown in Step 7.
13. Selecting  icon returns to Calibrate
Load Cell in the service menu.