Heatrae Sadia HRU ECO 4, Руководство пользователя

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5. Faults
The tables below contain a complete overview of
possible problems and solutions. As a user, you can
correct some problems yourself, but some you cannot.
For problems you cannot resolve yourself, please contact
the installer.
The status LED on the ventilation unit blinks orange
Cause
Solution
a) The ventilation unit detects that the filters need to be
cleaned or replaced.
●
Clean or replace the filters. For more
information, see Inspecting, cleaning and
replacing filters on page 18.
●
Reset the dirty filter indication afterwards. For
more information, see Resetting dirty filter
indication.
The status LED on the ventilation unit blinks once red and once orange
Cause
Solution
a) The ventilation unit detects a fault with the exhaust
fan.
●
Check whether the exhaust fan is properly
connected. Connect the fan properly.
●
Check the fan for soiling and clean it if
necessary.
●
Check the fan for defects and replace it if
necessary.
The status LED on the ventilation unit blinks once red and twice orange
Cause
Solution
a) The ventilation unit detects a fault with the supply fan.
●
Check whether the supply fan is properly
connected. Connect the fan properly.
●
Check the fan for soiling and clean it if
necessary.
●
Check the fan for defects and replace it if
necessary.
The status LED on the ventilation unit blinks twice red and twice orange
Cause
Solution
a) The ventilation unit detects a fault with the exhaust
temperature sensor.
●
Check whether the sensor is properly
connected. Connect the sensor properly.
●
Check the sensor for defects, and replace it if
necessary.
The status LED on the ventilation unit blinks twice red and three times orange
Cause
Solution
a) The ventilation unit detects a fault with the supply
temperature sensor.
●
Check whether the sensor is properly
connected. Connect the sensor properly.
●
Check the sensor for defects, and replace it if
necessary.
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