Zehnder Rittling ComfoAir Q, Руководство по установке

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42 - EN
Malfunction code
SENSOR_ETA ERROR /
SENSOR_ODA ERROR. The extract / outdoor air sensor has a malfunction.
Question Answer Action
1 not applicable not
applicable 1. Disconnect the power from the unit.
2. Access the control PCB as instructed in the chapter “How to gain access to the control PCB”.
3. Go to the next question.
2 Are the
connections at
the control PCB
correct?4 Yes 1. Remove the heat exchanger as instructed in the chapter “Maintenance of the heat exchanger”.
2. Remove the top-section sensor as instructed in the chapter “How to gain access to the top-section
sensor”.
3. Go to the next question.
No 1. Reconnect the sensor connector.
2. Follow the procedure for ending the maintenance.
3 Is the connection
at the sensor
correct? Yes 1. Connect the power to the unit.
Risk of electrical shock.
2. Stop the service mode as instructed in the chapter “How to change the operation mode of the unit”.
3. Reset the errors as instructed in the chapter “How to reset errors”.
4. Wait for 2 minutes.
5. Go to the next question.
No 1. Reconnect the sensor connector.
2. Follow the procedure for ending the maintenance.
4 Did the error
come back? Yes 1. Disconnect the power from the unit.
2. Get the top-section sensor service set.
3. Replace the sensor as instructed in its supplied manual.
4. Connect the power to the unit.
Risk of electrical shock.
5. Reset the errors as instructed in the chapter “How to reset errors”.
6. Wait for 2 minutes.
7. Go to the next question.
No 1. Disconnect the power from the unit.
2. Follow the procedure for ending the maintenance.
5 Did the error
come back? Yes 1. Disconnect the power from the unit.
2. Get the control PCB service set.
3. Replace the control PCB as instructed in its supplied manual.
4. Follow the procedure for ending the maintenance.
5. Reset the errors as instructed in the chapter “How to reset errors”.
No 1. Disconnect the power from the unit.
2. Follow the procedure for ending the maintenance.
4 You can find the correct connection in the technical specification chapter.