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Troubleshooting
Important The underoor heating
system is an electrical power installa-
tion and any faults must therefore be
remedied by a qualied electrician.
Error codes
When an error occurs, the thermostat
will turn o the heating. The LED ashes
alternately in red and green. The LCD
display shows a ashing error code, while
the display shows the following texts:
Error 1: Short circuit room sensor.
Error 2:Interruption room sensor.
Error 3: Short circuit floor sensor.
Error 4: Interruption floor sensor.
Test values for oor sensor
The following values apply when
the oor sensor’s measurements are
checked.
Temperature Resistance
10 °C 18.0 kΩ
15 °C 14.7 kΩ
20 °C 12.1 kΩ
25 °C 10.0 kΩ
30 °C 8.3 kΩ
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