24
EN.33.C.152.1405
Assembly instructions | LK Room Temperature Control ICS.2
Table of error codes
Error
code
Description
R indicates
RT indi-
cates
Things to do
Comment
1
No communication
has taken place in 60
minutes
Red light on the
current channel
light
01 ERR
Check the signal path,
antennas and contacts. The
distance may be too great.
2
No communication
between R - R
Red light on the L
light for R
02 ERR
Check the signal path,
antennas and contacts.
The distance may be too
great. Otherwise reset R
to establish new contact
R sends error code to all
RTs
3
No R in radio range for
RT
-
Icon for
radio mast
flashing
Check the signal path,
antennas and contacts.
The distance may be too
great. Otherwise reset RT
to establish new contact
RT tries to send error to R
4
Dual network ID
Red light on R L
light
-
Reset R
Another R has the same
network ID
5
R cannot go into learn-
ing mode
Red light blinking
3x on R L light
-
Exit learning mode on
another R
Another R is in learning
mode
6
Wired RT learning error -
06 ERR
Press SET
Check steps for learning
7
Wireless RT learning
error
-
07 ERR
Press SET
Another RT is in learning
mode with R
8
Wireless RT learning
error
-
08 ERR
Press SET
R is not set in learning
mode
9
Shorting actuator
Red light flashing
for current channel.
09 ERR
Reset the error by cutting
power supply. Check the
actuator if error recurs.
R sends error code to RT
10
Total voltage for actua-
tor outputs too high
Red light on R L
light
10 ERR
Error occurs when too
many actuators connect-
ed, either per output or
total for entire R.
Check the number of
actuators. Reset error by
cutting the power supply
R sends error code to RT
11
Actuator overloaded
Red light flashing
for current channel.
12 ERR
Check connected actuator R sends error code to RT
12
Thermostat error
Red light for current
channel.
13 ERR
Reset RT.
Note: Error code indicated
if possible.
-
13
Error in floor sensor
Red light for current
channel.
14 ERR
Check sensor connection
RT sends error code to R
14
Error in room sensor
Red light for current
channel.
15 ERR
Contact LK
RT sends error code to R
15
Low battery level
Red light for current
channel.
Flashing
battery icon
Replace batteries.
RT sends error code to R
16
Logging error
Red light on
U light
17 ERR
R sends error code to RT
17
Error in USB connection Red light on
U light
-
Pull out and insert LK ICS
Mem stick. If problem per-
sists, try another stick.
Applies when logging to
LK ICS Mem Stick.
18
R learning error
Red light on R
L light.
-
Press the L button to
return to the starting
position.
R was not programmed as
Master or Slave. Cannot
communicate with the Master
when set in learning mode.
R = Receiver
RT = Room thermostat