44 - EN
EN - 45
12
Use a flow meter to set the valves and/or grilles into the correct position.
Problem:
There is too much noise.
Question
Answer
Action
1
Is the noise a whistling noise?
Yes
Locate the air gap and seal it.
No
Go to the next question.
2
Is the noise a slurping noise?
Yes
1. Check the condensation drain.
2. Go to the next question.
No
Go to question 4.
3
Has the condensation drain been
connected properly?
Yes
Fill the condensation drain.
No
Reconnect the condensation drain.
4
Is the noise an airflow noise?
Yes
1. Check the valves and/or grilles.
2. Check the filters
3. Go to the next question.
No
1. Open the fans as instructed in the chapter “Maintenance of the fans”.
2. Skip the next question.
5
Do the valves and/or grilles seal onto
the air ducts?
Yes
1. Regulate the valves and/or grilles to the required airflow per room.
12
2. Inform the residents about the importance of the valve and/or grille settings.
No
Reinstall the valves and/or grilles.
6
Are the fan bearings damaged?
Yes
1. Get the fan service set.
2. Replace the fan as instructed in its supplied manual.
No
Set the preset airflow levels lower.
Problem:
There is a water (condensation) leak.
Question
Answer
Action
1
Does the condensation from the
exhaust air duct run into the unit?
Yes
Go to the next question.
No
Reconnect the exhaust air duct.
2
Is the condensation drain connected
correct?
Yes
Clean the condensation drain as instructed in the chapter “Maintenance of the
condensation drain”.
No
Reconnect the condensation drain.
Problem:
The ancillary is not working.
Question
Answer
Action
1
Does the ancillary have a battery?
Yes
Check the battery and replace it when necessary as instructed in its supplied
manual.
No
Go to the next question.
2
Is the ancillary commissioned to the
unit?
Yes
Go to the next question.
No
Commission the ancillary as instructed in its supplied manual.
3
Does the ancillary send a signal when
in use?
Yes
Go to the next question.
No
1. Get a new ancillary.
2. Replace the ancillary.
4
Is the ancillary connected to an option
box?
Yes
Go to the next question.
No
1. Get the main board service set.
2. Replace the main board as instructed in its supplied manual.
5
Does the option box send a signal
when the ancillary is in use?
Yes
1. Get the main board service set.
2. Replace the main board as instructed in its supplied manual.
No
1. Get a new option box.
2. Replace the option box.
Problem:
The correct time is not saved after a power down.
Action
1. Get a 3V lithium button cell battery with a nominal capacity of 48 mAh. (Type BR1225)
2. Access the main board as instructed in the chapter “How to gain access to the main board”.
3. Replace the battery on the main board.
Problem:
The unit will not power down completely after removal of the power cord.
Action
Disconnect all poles of the power supply of the ComfoSplitter.
Problem:
The fans of the unit vary extensively.
Action
Make sure the unit has a stable power supply of at least 225V.
You can achieve this with a power stabilizer or by connecting modulating equipment to a separate group in the fuse box.
