Installation guide

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46
Component Alarms/Issues Causes Solutions Notes
Thermostat or
Actuator
Room too cold
Thermostat setting is too
low (corresponding LEDs
ashing).
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 inuenced 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 prole or
assign another prole 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
ashing.
• Place the thermostat in
the room supplied by the
loops controlled by the
thermostat.
Thermostat
Room temperature
OK, but the oor 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 prole or
assign another prole to
the room.
• End the ECO period by
pressing all thermostat
keys.
Table 10-1: Troubleshooting Solutions (cont.)