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Troubleshooting
Important
The underfloor heating
system is an electrical power installa-
tion and any faults must therefore be
remedied by a qualified electrician.
Error codes
When an error occurs, the thermostat
will turn off the heating. The LED flashes
alternately in red and green. The LCD
display shows a flashing 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 floor sensor
The following values apply when
the floor 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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