SERVICE MANUAL - O. Rensch OHG

2DC
Maintenance
Description
item No.
U020 Initializing all data
Description
Initializes all the backup RAM on the main board to return to the original settings. U004, however, is not
initialized.
Purpose
Run as needed.
Method
1. Press the start key.
2. Select “on” using the zoom +/– keys.
Display
Operation
– – – Canceling initialization
on
Executing initialization
3. Press the start key. All data in the backup RAM is initialized, and the original settings for EUROPE
specifications are set.
When initialization is complete, the machine automatically returns to the same status as when the main
switch is turned on.
Completion
To exit this maintenance item without executing initialization, press the stop/clear key. The indication for
selecting a maintenance item No. appears.
U021 Initializing memories
Description
Initializes the setting data other than that for adjustments due to variations between respective machines, i.e.,
settings for counters, service call history and mode settings. As a result, initializes the backup RAM according
to the specifications depending on the destination selected in U252. U004, however, is not initialized.
Purpose
Used to return the machine settings to the factory settings.
Method
1. Press the start key.
2. Select “on” using the zoom +/– keys.
Display
Operation
– – – Canceling initialization
on
Executing initialization
3. Press the start key. All data other than that for adjustments due to variations between machines is
initialized based on the destination setting. When initialization is complete, the machine automatically
returns to the same status as when the main switch is turned on.
Completion
To exit this maintenance item without executing initialization, press the stop/clear key. The indication for
selecting a maintenance item No. appears.
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