Installation guide

Uponor Climate Co˘ntrol™ Zoning System Installation Guide
45
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