Hsotram HK2, Manual

Page: 12 / 36

MANUAL
HK2 – HK4 25-08-2014
Page
12
Case 4: The suction fan never stops even after that the wood is burned:
- The minimum flue gas temperature is set too low (the temperature of the flue gas does
not decrease/not quickly enough below the setting) or too high (the flue gas
temperature must become more than 15 °C above the setting). Or its sensor is not in its
place or it is defective (A4 alarm).
Case 5: Nothing happens when you push the START button
- Check if the power supply for the controller is active.
- Make sure that the boiler is not too hot to begin heating again (shall be well below the
adjusted setting of (F).
- Check the fuse in the panel.
- Call your heating installer.
1.3.12 Cleaning and regular maintenance
The regular maintenance (cleaning) is the responsibility of the user. An annual control by a
professional is necessary according to current regulation.
A metallic brush with an elbowed handle and an external ashtray are supplied with the
boiler. The ashtray is placed at the outside in front of the boiler and the nose slides under
the lower door, see the following photo:
Combustion tunnel ceramics – to be cleaned daily