12.4 Controller alarms/problems
An alarm is sent when more than 1 hour have elapsed since the controller received the last radio signal from the thermostat.
The table below lists problems that can occur in the controller.
Indication
Probable cause
Solutions
Radio connection LED flashing rapidly
on the controller
The thermostat is out of radio range
Reduce the distance between the thermostat and controller
or change location of the thermostat in the room
Check the thermostat batteries
12.5 Contact the installer
For installer contact information, see the installation
report in the end of this document. Prepare the
following information before contacting an installer:
• Installation report
• Drawings of the underfloor heating system (if
available)
• List of all alarms, including time and date
12.6 Installer instructions
To determine if a problem is caused by the supply
system or the control system, loosen the actuator
from the manifold for the room concerned, wait a few
minutes and check if the flow pipe of the underfloor
heating loop becomes warm.
If the pipe does not become warm, the problem is in the
heating system. If the loop becomes warm, the cause
could be the room control system.
A supply system defect can be indicated by no warm
water in the manifold. Check the boiler and circulation
pump.
UK
CZ
DE
DK
EE
ES
FI
FR
HR
HU
IT
LT
LV
NL
NO
PL
PT
RO
RU
SE
SK
3 5
U P O N O R S M AT R I X S PA C E / S PA C E P L U S · I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L
