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Uponor Climate Co˘ntrol™ Zoning System Installation Guide
43
Component
Alarms/Issues
Causes
Solutions
Notes
Thermostat or
Actuator
Room too cold
Thermostat setting is too
low (corresponding LEDs
flashing).
Press + or – key to
display and change the
temperature setpoint on the
thermometer.
Use minimum and maximum
limitations to protect system
from consequences of
unreasonable temperature
settings.
Thermostat influenced by
a heat source (temperature
displayed drops when
thermostat is moved)
Change the location of the
thermostat.
Thermostats are mixed up.
Place each thermostat in the
room supplied by the loops.
• Actuator doesn't open.
• The white indicator doesn't
display in the indicator
window.
Replace the actuator.
See Installation Report to
contact an installer.
ECO in room information
menu
• Change ECO profile or
assign another profile to
the room.
• End the ECO period by
pressing a thermostat key.
Temperature displayed
in the room information
menu is lower than the
temperature on the
thermostat.
Change minimum and
maximum limitation.
Thermostats of single rooms
are mixed up.
• See Installation Report
and the base unit/
channel numbering under
thermostat battery cover.
• Force thermostat to
transmit and check the
corresponding LEDs are
flashing.
• Place the thermostat in
the room supplied by the
loops controlled by the
thermostat.
Thermostat
Room temperature
OK, but the floor is
cold.
Supply system defect: no
warm water in manifold.
Check boiler and circulation
pump.
All rooms are cold.
Vacation mode still on
End vacation mode
ECO mode
• Change ECO profile or
assign another profile to
the room.
• End the ECO period by
pressing all thermostat
keys.
Component
Alarms/Issues
Causes
Solutions
Notes
Thermostat or
Actuator
Room too warm
Actuator does not close.
• Check that the actuator is
correctly mounted.
• Replace the actuator.
See Installation Report to
contact an installer.
Thermostat setting is too
high (corresponding LEDs
flashing).
Press + or – key to
display and change the
temperature setpoint on the
thermometer.
Place each thermostat in
the room supplied by the
loops.
Thermostat influenced by
a heat source (temperature
displayed increases when
thermostat is moved)
Change the location of the
thermostat.
Thermostats are mixed up.
Place each thermostat in
the room supplied by the
loops.
Interface
The interface is off.
Setting is off when inactive. • Change setting to dimmed
when inactive.
• Display returns when a
key is pressed.
Connection problem
• Check the wiring and the
interface connection with
the controller.
• Replace the interface.
No response or frozen
interface display
System is stalled or
locked up.
Reset the interface: all
parameters are saved,
except for time and date.
Base Unit
with Interface
• All connected base units
are not found by the
interface.
• Base unit ID does not
appear in the menu.
Wiring problems
Correct the wiring.
Table 10-1: Troubleshooting Solutions (cont.)
Table 10-1: Troubleshooting Solutions (cont.)
