Service Manual
Page 29 of 50
5.2. Opening of the Housing
Important notice:
Please refer to the service preparations chapter before opening the housing.
Procedure for opening the housing:
1. Open the top cover. Unscrew the 8 bolts
A
(7 screws, 1 sealing screw) .
2. Remove plastic cover carefully to not destroy keyboard or display connectors
When opening and removing the top housing, display & keyboard are still connected to the
mainboard. The housing can only be opened by destroying the metrology sealing. Assuming
the user is to use the (non-automatic) scales/balance in the legally regulated field, the user will
be responsible for notifying the appropriate calibration authorities of the repaired
scales/balance, so that the latter can take the appropriate measures (calibration/recalibration).
5.3. Replacing the Main Board
Procedure for replacing the board:
1. Lift top cover (for details, please refer to 0pen housing chapter; please see also chapter service
preparation).
2. Disconnect all cables plugged into main PCB.
3. Install the new PCB following the same instructions in reverse order.
4. Install the top cover.
Procedure for restoring the system
1. Define country code (Scale Configuration, STEP1).
2. Initialize to defaults (Operational Setup; STEP2).
3. Define & save all parameters (Press menu key 2 times and choose save).
4. Switch scale on again, check configuration (Geo Code & Country Setting) on the display while scale is
booting.
After replacing the main board, the following steps must be performed:
§
Check & set local geo code
B
A
