Rectify interference
6 720 643 196 (2010/02)
15
2.3.8 Low heat transfer fluid (coll.) out
Description: The temperature on the outgoing heat transfer (coll.) fluid is below the set protection value (-
10 °C). Resets automatically when the temperature has risen 1K.
Check Action
1. B Compare the value on T11 in the info
menu with one from a separate digital
thermometer.
Do the values correspond?
yes: Æ 2
no: B Replace sensor T11.
2. B Perform a quick start of the compres-
sor when the alarm has reset automat-
ically.
B Check delta, is it between 1 and 6K?
yes: Æ 3
no: Too low flow in the heat transfer fluid circuit.
B Increase the speed of the heat transfer fluid (coll.)
pump.
B Vent the heat transfer fluid circuit for 24 hours.
B Clean the particle filter.
B Check the heat transfer fluid's freezing point.
3. There is not enough energy in the heat
absorbing system. This can occur in
extremely cold weather conditions.
Tab. 8
6 720 643 196-07.1I
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