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40
Uponor Climate Co˘ntrol™ Zoning System Installation Guide
41
Short Circuit
A short circuit is detected on the
channel controlled by thermostat
1.01. (The terminals for the actuators
are protected against short circuits,
therefore there is an error in
the actuator.)
Radio Signal Lost
The radio signal of thermostat 1.02
is lost.
Communication Error
Base unit 3 has a communication
error.
Unknown Error
The system has an unknown error.
Contacting an Installer
Some alarms or errors may require an installer to solve
the issue. See
Section 12
to find contact information.
Prepare the following information before contacting the
installer:
• Installation Report
• List of all alarms, including times and dates
• Drawings of the radiant floor heating system (if
available)
Contacting Uponor
An installer may need to contact Uponor for more
detailed information. Refer to the information in the
interface software version window: Uponor screen
>
Main Menu
>
Information
>
Software Version.
Component
Alarms/Issues
Causes
Solutions
Notes
Base Unit
• System does not start.
• Power LED off
No voltage
Ensure base unit powered
correctly.
Base Unit
and Antenna
• Poor radio reception
• Antenna mounted inside
metal cabinet
• Antenna out of position
or wire disconnected
• Interference
Change the location of the
antenna.
• Power LED and channel
LED blink
• Short circuit on a
connected actuator
• Short circuit on the
actuator terminal/wiring
error
• Use another channel (if an
unused one is remaining).
• For replacement of the
base unit, see
Section 3
.
See Installation Report to
contact an installer.
Thermostat
Display T-75
Battery icon displayed
• Thermostat batteries
getting low
• Replace the batteries.
When the error is
resolved, the thermostat
screen displays the room
temperature and the battery
icon
disappears.
Display is off
• Batteries dead or wrong
type.
• Batteries installed
incorrectly.
• Replace the batteries.
Radio transmission icon
is displayed, but the
channel status (LED on/
off) changes only if the
thermostat is close to the
antenna.
• Transmitter working,
but with reduced signal
intensity
• New installations in the
house create interference.
• Contact an installer.
• Find a new position
for thermostat and/
or antenna to prevent
interference.
Table 10-1: Troubleshooting Solutions
1.01 Therm.
Short-circuit!
14 Jun 2008
4 : 01
Alarm
1.02 Living
Radio signal lost!
10 Nov 2008
4 : 20
Alarm
Base Unit
Communication Error!
19 Dec 2008
1 : 38
Alarm
System
Unknown Error!
19 Dec 2008
6 : 38
Alarm
