Installation Guide
Slave type definition
Reset or replace a
Danfoss Icon™
Master Controller
24V
Trouble shooting
10 | © Danfoss | FEC | 2017.12
Danfoss Icon™ Master Controller 24 V
The potential free relay is activated on all Master
Controllers when heat is demanded on either
Master Controller.
SLA TYPA: Pump is activated on Danfoss Icon™
Master Controller 24V when heat is demanded on
either Master or Slave(s).
Factory resetting of Danfoss Icon™ Master
Controller 24V
1. Press
to select UNINSTALL
mode.
2. On the Danfoss Icon™
Master Controller 24V, press
and hold
and
for 3
seconds until the display says
.
3. Press OK. All settings on
Master Controller are reset to
factory settings.
Note! Individual room thermostats must be reset
locally, see chapter "Removing a thermostat".
If an error is detected, an alarm code will be displayed either on the Danfoss Icon™ Master Controller 24V
or on the thermostat.
Alarm code
Problem
Er01
System is not ready for test yet.
Er02
The output flashing on the Danfoss Icon™
Master Controller 24V has not yet been
paired to a room thermostat.
Er03
You have set-up a cooling application that
requires a reference room thermostat to
be appointed.
Er04 + Er0X
Network test failed.
Er05
Communication lost to Radio Module.
Er06
Communication lost to room thermostat.
Er07
Communication lost to Slave Controller.
SLA TYPB: Pump relay is only activated on the
Danfoss Icon™ Controller 24V to which the ther-
mostat with heat demand is assigned.
Replacing a defective Danfoss Icon™ Master
Controller 24V
1. Remove all thermostats and other units from
the system by following the procedure for
factory resetting.
2. Make a note of how all wires are connected to
the Danfoss Icon™ Master Controller 24V.
OK
3. Remove wiring to Danfoss Icon™ Master Con-
troller 24V.
4. Mount the new Danfoss Icon™ Master Con-
troller 24V and reconnect all wires to the same
position as on the replaced Master Controller.
5. Set up system again as described in chapter
"Setting up the system".
Solution
Please pair all thermostats to actuator
outputs before starting test mode.
Please pair all actuators to a room thermo-
stat before starting test mode.
Please go to the thermostat in the desired
reference room and enter the thermostat
installer menu. Set thermostat to ON in
ME.6 "reference room thermostat".
See which device failed and reposition it.
Then do a retest.
Please check that the cable is properly
connected in the Radio Module and
Danfoss Icon™ Master Controller 24V.
Identify the room thermostat by looking
at the flashing outputs on the Danfoss
Icon™ Master Controller 24V, or look at
the thermostats. Wake up thermostat,
then press
on the thermostat. Failing
thermostat will say "NET ERR".
Replace batteries on room thermostat and
perform a network test (activate NET TEST
in menu on room thermostat).
If wireless, check Radio Module connec-
tion to Danfoss Icon™ Master Controller
24V. If wired system, check the wire con-
necting the controllers.
VIMCG20F / 088N3678