CP : control panel, FC : frequency converter, SB : supply board, CB : cooling board, CC : control cable, LL : lid locking, BC : braking chopper,
BR : brake resistor, MR : mains reset, EC : error cause, ES : error consequence, ER : error remedy, M : measurements, ECR : error-code reset
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5.4.1. OFFSET value
The OFFSET value is the difference between the actual temperature and the sensor
temperature.
Example: Actual temperature - Sensor temperature = OFFSET value
25.5 °C - 27.0 °C = -1.5 °C
5.4.2. Procedure for performing an OFFSET alignment
1. Mains switch is ON
→
Display:
* OFFSET - MODE *
2. Press
key
→
Display:
T1: 27,0 °C → 25,5 °C
↑ ↑
Sensor temperature
Actual temperature
• The sensor temperature measured is to be adjusted with the keys to
make it agree with the actual temperature.
3. Press the key
→
Display: *** OK ***
• If the temperature settings are not confirmed by pressing the
.
key, the
old settings will be maintained.
4. Mains switch is OFF.
5. Remove jumper from slot 3 on coding strip X3 on the CP.
Put the jumper on slot zero at the plug on coding strip X3 on the
CP (Service position, “Watchdog”).
5.4.3. Note for temperature sensor in centrifuge chamber
If the temperature in the sample deviates from the nominal value (Display), the offset
alignment can be altered as follows:
− Actual temperature is lower than nominal temperature:
Set the offset temperature of T1 lower by the amount of the deviation (the cor-
rected value is lower).
− Actual temperature is higher than nominal temperature:
Set the offset temperature of T1 higher by the amount of the deviation.
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