Troubleshooting
5 Troubleshooting
Fault Possible
cause
Remedy
The device doesn’t work at all.
No power supply or defective
fuse.
Check if the green LED on the
front is on. If not check the
power supply and fuse.
The display is very difficult to
read.
The backlight is off.
Press any key to activate the
backlight.
The relays switch but nothing
happens.
There is no voltage applied on
the relay commons, or the
ground is not connected.
Apply a voltage on the commons
or check the ground.
Not all outputs are working
properly.
Not all the terminals are con-
nected or not all groups are
enabled.
Check if all terminals are
connected.
Groups are activated?
The message “Sun sensor xx
defect“ appears.
Bad connection or short circuit.
Check sun sensor connection.
The message “Wind sensor xx
defect” appears.
Bad connection or short circuit
Jumper J1 / J2 in wrong position.
Check wind sensor connection
and jumper placement
(chapter 1.2.3).
The message “Wind direction
defect” appears.
Bad connection or short circuit
Jumper J3 in wrong position.
Check wind direction connection
and jumper placement
(chapter 1.2.4).
The message “Temperature
sensor xx defect” appears.
Bad connection or short circuit.
Check the temperature sensor
connections.
The sun shines but the sun-
shades are not extended.
Sun sensor assignment not
correct.
Check if the sun sensors are
assigned to the correct groups.
The manual operation is active.
Check if the device is in auto-
matic operation
(Menu: CONTROL)
A function with a higher priority
is active.
Check if a function with a higher
priority is active
(Menu: STATE OF FUNCTIONS).
The sun intensity is lower than
the set threshold.
Check the threshold
(Menu: CONFIGURATION).
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Содержание Vesta Building Controller
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