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User Manual / Technical Manual - Description
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3.6.1 Set point indicator
The system controls the fluid outlet temperature to 39°C and does this with an accuracy of ± 2°C.
The set point indicator indicates if the derived fluid temperature at the outlet of the disposable
cassette is within range (39 ± 2°C) or not.
The maximum effective heating power is 125W. The required amount of heating power depends
on the fluid flow rate and the fluid inlet temperature. When the required heating power exceeds the
maximum effective heating power, the system is no longer able to warm the fluid to 39°C and the
outlet temperature will be lower. In addition, temperature at the end of the patient line depends on
the fluid flow rate and environmental conditions. If the fluid inlet temperature and environmental
temperature are 20°C, the temperature at the end of the patient line is 39 ± 2°C at flow rates from
5 to 100 ml/min. The following graph shows the end of patient line fluid temperatures for different
flow rates at a fluid inlet temperature of 10°C and 20°C in an environment of 20°C.
Extending the patient line can result in lower fluid temperatures at the end of the patient
line.
3.6.2 Repair required indicator
Perform the following steps when the repair required indicator LED is active (continuously yellow).
• Check if the interface cable of the warming module is correctly attached and locked to the
control module.
• Reset the device: Disconnect the power supply cord, wait a few seconds and reconnect the
power supply cord.
If the problem persists, the system needs to be replaced.