Uponor C-55, Installation Manual, Page: 26 / 31

www.uponor-usa.com • www.uponor.ca 44 Uponor Climate Co˘ntrol™ Zoning System Installation Guide 45
Component Alarms/Issues Causes Solutions Notes
Base Unit
with Interface
• Signal
1 , 2
(from a single
thermostat)
• Radio alarm in interface
• Radio icon in room
information on interface
• Power LED and thermostat
LEDs in the base unit for
connected channels flash
Thermostat or antenna not in
correct position. • Reduce the distance
between thermostat and
base unit.
• Change the location of
the thermostat within the
room.
• Install antenna in correct
position with wire
converter correctly.
• When the error is
resolved, the
thermostat screen
displays the room
temperature, and
the battery icon
disappears.
No radio transmission icon
displayed on thermostat
screen when +/- keys
pressed Transmitter broken in
thermostat • Force the thermostat to
transmit by changing the
temperature setpoint.
• Replace the thermostat.
• To delete the assignment
of the old thermostat and
replace with the new one.
Radio icon
replaced with
Radio transmission icon
is displayed, but signals
are received only if the
thermostat close to the
antenna. Transmitter working, but with
reduced signal intensity
New installations in the
home create interference. Interference Find a new position for
thermostat and/or antenna
to prevent interference.
Base Unit,
Interface or
Actuator
• Short circuit alarm on
interface
• Power LED and concerned
channel LED blink
Short circuit on a connected
actuator Check wiring of the
actuators, replace the
actuator.
Short circuit on the actuator
terminal Replace base unit.
Base Unit or
Interface
• Communication error
• Software versions
incompatible
Wire disconnected or
damaged • Check wiring of interface
and base unit.
• Replace base unit wire.
See Installation
Report to contact
installer.
• Communication error
• Base unit disappears from
display list.
Wrong wiring of several base
units, wrong numbering
of the base units or wire
disconnected or damaged • Check wiring of interface
and base unit.
• Check base unit
configuration.
• Replace wire.
1 Alarm is triggered when more than three hours have elapsed since the base unit received the last radio signal from the thermostat.
2
Power LED on the base unit and relevant channel LEDs blink.
Table 10-1: Troubleshooting Solutions (cont.)
Table 10-1: Troubleshooting Solutions (cont.)
Component Alarms/Issues Causes Solutions Notes
Interface
• Display in interface locks
up
• No response when
pressing keys
• General failure Reset the interface. • Time and date
have to be set.
• All other
parameters are
saved.
Pump
Unfamiliar noise from the
pump at the same time and
day of the week
N/A Change time for pump
exercise.
For additional issues, contact Uponor Technical Services at (888) 321-4739 (U.S.) or (888) 994-7726 (Canada)