| Maintenance
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50145736
Fisherbrand
Chapter 10
Service Intervals
During ongoing operation, the following service work must be performed:
Annual service
Have the oven inspected and serviced by an authorized Technical Service agent.
Preparing Temperature Calibration
To determine the exact measured value of the oven’s integral temperature sensor, a temperature
comparison measurement must be performed every three months. If a major temperature
deviation is found during this check, temperature calibration is required. During this process, the
temperature controller of the oven is set to the value measured during the temperature
comparison measurement.
Use a calibrated measuring instrument with an accuracy of < ± 0.1 °C (0.18 °F) for this test.
To minimize temperature variations during the measurement, put the measuring sensor in an
isothermal container (such as a bowl filled with glycerol) before placing it in the work space. Use
the center of the work space as the reference location for the comparison measurement.
Comparison Measurement Procedure
1. Turn the oven on using the power switch.
2. Set the temperature set value and allow the oven to stabilize. This may take several hours.
3. Place the measuring device in the center area of the work space. Alternatively, a temperature
sensor may be positioned in this location. Route the connecting cable between the glass
panel and the interior tank.
4. Close the doors.
5. Wait until the temperature value displayed on the measuring instrument has stabilized.
6. Use the temperature reading from the measuring device to calibrate temperature control manually.
NOTE
Service contract
Thermo Fisher Scientific offer a product-specific service contract comprising all
necessary tests and service work.
NOTE
Isothermal container
Do not use a container filled with water as an isothermal container because the
evaporation of water will result in a lower temperature reading.
NOTE
Excessive work space temperatures
Excessive work space temperatures after the calibration may be reduced by leaving the
doors open for approx. 30 seconds.
Summary of Contents for Fisher Sei 100L Gravty
Page 1: ......
Page 5: ...Fisherbrand 50145736 3 Chapter 15 Spare Parts and Accessories 51 Chapter 16 Device Log 53 ...
Page 6: ...4 50145736 Fisherbrand ...
Page 8: ...2 50145736 Fisherbrand ...
Page 14: ... Safety Notes 6 50145736 Fisherbrand Chapter 1 ...
Page 34: ... Start up 26 50145736 Fisherbrand Chapter 5 ...
Page 40: ... Handling and Control 32 50145736 Fisherbrand Chapter 7 ...
Page 42: ... Shut down 34 50145736 Fisherbrand Chapter 8 ...
Page 46: ... Cleaning and Disinfection 38 50145736 Fisherbrand Chapter 9 ...
Page 52: ... Disposal 44 50145736 Fisherbrand Chapter 11 ...
Page 54: ... Error Codes 46 50145736 Fisherbrand Chapter 12 ...
Page 60: ... Spare Parts and Accessories 52 50145736 Fisherbrand Chapter 14 ...
Page 62: ... Device Log 54 50145736 Fisherbrand Chapter 15 ...