28
Troubleshooting
Important
The underfloor heating
system is an electrical power installa-
tion and any faults must therefore be
remedied by a qualified electrician.
Fault indication
If the floor/room sensor is damaged or
interrupted, the thermostat will cut out
and the lamp start to flash alternatingly
green and red.
If the floor sensor should become
faulty, it can be replaced provided it
is installed in a spiral hose laid in the
floor as instructed. The room sensor
cannot be replaced. The thermostat
must be replaced if there is a fault with
the room sensor.
Test values for floor sensor
The following values apply when the
floor sensor’s measurements are
checked.
Temperature Resistance
10
o
C
18,0 k
Ω
15
o
C
14,7 k
Ω
20
o
C
12,1 k
Ω
25
o
C
10,0 k
Ω
30
o
C
8,3 k
Ω
