Heating control - user manual
www.solarcontrols.cz
Instructions for the installation and setup
of the device
Page 41 of 58
LED STATUS
The following table lists the possible states of the indication LEDs of the controller.
LED
Status
Note
LED PWR (green)
On
The controller is under voltage, no
input is active (switched on).
Flashing
The controller is under voltage,
some output is active (switched
on).
Flashing fast
The controller is under voltage, the
booting mode.
Off
The controller is without voltage
or there is a fault.
LED COM (yellow)
Off
Communication with the
computer via USB has not been
established.
On or flashing fast
Communication with the
computer via USB has been
established.
LED ERR (red)
Off
No error state is detected.
Flashing sls (short-long-short)
One of the used temperature
inputs does not work. Check the
connection and function of the
temperature sensors. The error
state is blocking only the function
of the relevant control blocks, it is
not blocking the function of other
blocks. Emergency operation is
configured on the level of blocks
where it makes sense.
Flashing sss (short-short-short)
Internal temperature sensor error,
it is necessary to replace it. The
error state is not blocking the
controller function.
Flashing ssl (short-short-long)
The maximum temperature has
been exceeded, this warning can
be caused by overheating of the
distribution board or by too high
power connected to the
contactless triac outputs. Check
the cooling of the controller. The
error state is not blocking the
controller function.
LED Tr1-2, Re1-2, Ext1-2
Off
The relevant output is not active.
On (or flashing)
The output is active (switched on).
LED on the LAN connector - right
Off
The Ethernet carrier signal is not
indicated.
On
The Ethernet carrier signal is
indicated.
Flashing
Active data transfer.
LED on the LAN connector - left
Off
Speed 10 Mbit/s.
On
Speed 100 Mbit/s.
