The table below shows problems and alarms that can occur with Uponor Smatrix Move PRO and describes solutions. A common cause of
a problem though may be due to wrongly installed loops or mixed up thermostats.
Problem
Indication
Probable cause
Solutions
Fluctuating floor
temperature
Floor temperature is changing abnormally
between hot and cold
Supply water temperature is too high
Check boiler or mixing valve
Room temperature does not match
setpoint on the controller, and mixing
valves open/close on a fixed interval
Heating fall back function is activated
due to lost communication with an
room sensor
Check the connection of the room sensor
Reconnect if the connection is lost
Room temperature does not match
setpoint on the controller
The room sensor is placed in direct
sunlight or close to other heat sources
Check placement of the room sensor
according to installation instructions and
change location if needed
The room sensor is placed in the
wrong room.
Check the placement of the room sensor
and change room if needed.
The room is too cold Check the indoor setpoint in the menu
system
The indoor setpoint is too low
Change the temperature setpoint
The temperature displayed in the controller
menu system changes after the room
sensor is moved
The room sensor may be influenced by
an external heat source
Change location of the room sensor
The indicator on the mixing valve actuator
does not change/move
The mixing valve does not open
1. Check that the mixing valve is
correctly installed
2. Contact the installer
3. Replace the mixing valve
The room is too
warm
Corresponding loop is warm even after a
long period without heat call
A mixing valve does not close
1. Check that the mixing valve is
correctly installed
2. Contact the installer
3. Replace the mixing valve
The floor is cold
The room temperature OK but the floor
is cold
No heat demand from the underfloor
heating system
The room is heated by another heat
source
All rooms are cold
Check the indoor setpoint in the menu
system
The indoor setpoint is too low
Change the temperature setpoint
ECO mode for the zone programmed in the
controller
ECO mode
Change ECO profile or assign another
profile to the room/system
Reduce the ECO setback value for the zone
Disturbing noise
from the pump at
the same time and
day of the week
Pump exercise is active
Change time for pump exercise
No communication
Alarm shown in controller display
Communication error
Software versions incompatible
Contact the installer
9 Troubleshooting
EN
CZ
DE
DK
EE
ES
FI
FR
HR
HU
IT
LT
LV
NL
NO
PL
PT
RO
RU
SE
SK
1 1 7
U P O N O R S M AT R I X M O V E P R O · I N S TA L L AT I O N A N D O P E R AT I O N M A N UA L