Troubleshooting - Frico PLTB16R Manual

Troubleshooting

Important The underfloor heating system
is an electrical power installation and any
faults must therefore be rectified by a quali-
fied electrician.
Error codes
When an error occurs, the thermostat
will turn off the heating. The display
flashes and shows a flashing error code.
E1: Short circuit in room sensor.
E2: Breakdown in room sensor.
E3: Short circuit in floor sensor.
E4: Breakdown in floor sensor.
Test values for floor sensor
The following values apply when the floor
sensor's measurements are checked.
Temperature
10 °C
15 °C
20 °C
25 °C
30 °C
Resistance
18.0 kΩ
14.7 kΩ
12.1 kΩ
10.0 kΩ
8.3 kΩ
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