User Guide
12
TS 500
4.2 Error Message
The error message will appear on the left of the screen. To access the error details, press the error
icon. The problem will be explain and the following solutions should be initiated.
Error message
Problem
Solution
Internal fault. The thermostat is
defective.
Contact your authorised
installer. The thermostat must
be replaced.
Internal sensor fault. The built-
in room sensor is defective or
short-circuited.
Replace the thermostat or
continue to use it with the floor
sensor only. Go to “Sensor
Application” under “Engineer
Setting” and change the
application to “Floor”.
External wired floor sensor
fault. The floor sensor is short-
circuited.
Replace the floor sensor or
continue to use the thermostat
with the built-in room sensor
only. Go to “Sensor Settings”
and change the application to
“Room”.
External wired floor sensor not
recognised. The floor sensor
is either disconnected or
defective.
Replace the floor sensor or
continue to use the thermostat
with the built-in room sensor
only. Go to “Sensor Settings”
and change the application to
“Room”.
Internal overheating. The
thermostat has overheated and
the heating has been shut off.
Contact your authorised
installer in order to have your
thermostat inspected.
5 WARRANTY
E0
E1
E2
E3
E4
