
2
* Internal parameter setting.
To adjust the sensor-offset use the following instructions;
By pushing the
DOWN
key more than 10 seconds, you enter the ‘internal programming menu’. In the
left display the upper and lower segments are blinking. Over the
UP
and
DOWN
keys the required
parameter
can be selected (see table for the parameters). In this case only ‘04’ offset temperature
sensor.
If the required parameter is selected, the value can be read-out by pushing the
SET
key. Pushing the
UP
and
DOWN
keys together with the
SET
key allows you to change the value of this parameter.
If after 20 seconds no key is pushed, the
ALFA 30DP
changes to its normal operation mode.
* Sensor adjustment.
The sensor can be adjusted by using the Sensor Offset (parameter 04). Indicates the
ALFA 30DP
e.g.
2°C too much, the Sensor Offset has to be decreased by 2°C.
* Error messages.
In the display of the
ALFA 30DP
the following error messages can appear:
Er
- Sensor broken Solution:
- Check if the sensor is connected correctly.
- Check the sensor (1000
Ω/25°C).
- Replace the sensor.
EE
- Settings are lost. Solution:
- Reprogram the settings.