Installation manual

1313Uponor Control System - Operation Manual 13
5.4 List of possible alarms and solutions
Component Indication Causes Solutions Note
Controller C-55
power LED and thermostat
LED's in the controller for
connected channels flash
antenna out of position or wire
disconnected
mount antenna in correct position
with wire correctly connected
power LED and concerned
channel LED flash
short-circuit on a connected
actuator
check the wiring of the actuators,
replace the actuator
short-circuit on the actuator
terminal/wiring error
■ use another channel (if an
unused one is remaining)
■ for replacement of the
controller, see Installation
manual
Thermostat
Display T-75
battery icon displayed
the thermostat batteries are
discharged
replace the batteries
see "3.5 Thermostat battery
replacement"
the display is off
batteries totally dead or wrong
type of battery used
batteries mounted upside down
(reversed polarity)
mount batteries correctly
no radio transmission icon
displayed
thermostat is out of the correct
position
move the thermostat
radio transmission icon is
displayed but signals are
received only if the thermostat
is close to the antenna
transmitter working but with
reduced signal intensity
■ force the thermostat to
transmit by changing the
temperature set point
■ replace the thermostat
■ for info how to delete the
assignment of the old
thermostat and replace it with
the new one, see Installation
Manual
new installations in the house,
shielding radio signals (e.g.
drying cupboard, safe, metallic
door)
try to find a new position for
thermostat and/or antenna (or, if
possible, the shielding object)
Thermostat T-55
and Thermostat
Public T-53
LED blinks twice
the thermostat batteries are
discharged
replace the batteries
see "3.5 Thermostat battery
replacement"
LED no blinks one time only
batteries totally dead or wrong
type of battery used
batteries mounted upside down
(reversed polarity)
mount batteries correctly
in transmission LED no blinks
one time
thermostat is out of the correct
position
move the thermostat
transmitter broken in thermostat
■ force the thermostat to
transmit by changing the
temperature set point
■ replace the thermostat
■ for info how to delete the
assignment of the old
thermostat and replace it with
the new one, see Installation
Manual
power LED and concerned
channel LED flash in the
controller
the cover of thermostat is
opened (Thermostat Public T-53)
check the settings and put back in
place the cover of the thermostat