36 Installation and maintenance instructions Betacom 4 0020238424_04
13.2 Calling up the fault memory
The last ten fault codes are stored in the fault memory.
▶ Hold the button down for more than 7 seconds.
Overview of fault codes (→ Page 46)
▶ Press the button to exit this menu.
13.3 Deleting the fault memory
1. Delete the fault memory using the diagnostics code
d.94.
2. Set diagnostics code . (→ Page 24)
Overview of diagnostics codes (→ Page 42)
13.4 Resetting parameters to factory settings
1. Reset all parameters to the factory settings using the
diagnostics code d.96.
2. Set diagnostics code . (→ Page 24)
Overview of diagnostics codes (→ Page 42)
13.5 Preparing the repair work
1. Decommission the product.
2. Disconnect the product from the power grid.
3. Remove the front casing.
4. Close the gas stopcock.
5. Close the service valves in the heating flow and in the
heating return.
6. Close the service valve in the cold water pipe.
7. Drain the product if you want to replace water-bearing
components of the product.
8. Ensure that water does not drip on live components
(e.g. the electronics box).
9. Use only new seals and O-rings. Do not use any addi-
tional components.
13.5.1 Procuring spare parts
The original components of the product were also certified
by the manufacturer as part of the declaration of conformity.
If you use other, non-certified or unauthorised parts during
maintenance or repair work, this may void the conformity of
the product and it will therefore no longer comply with the
applicable standards.
We strongly recommend that you use original spare parts
from the manufacturer as this guarantees fault-free and safe
operation of the product. To receive information about the
available original spare parts, contact the contact address
provided on the back page of these instructions.
▶ If you require spare parts for maintenance or repair
work, use only the spare parts that are permitted for the
product.
13.6 Replacing defective components
13.6.1 Replacing the burner
1. Remove the gas-air mixture unit. (→ Page 32)
2. Remove the burner seal.
3. Remove the burner.
4. Install the new burner complete with new burner seal on
the heat exchanger.
5. Install the gas-air mixture unit. (→ Page 35)
13.6.2 Replacing the gas-air mixture unit
1. Remove the gas-air mixture unit. (→ Page 32)
2. Install the new gas-air mixture unit (→ Page 35).
13.6.3 Replacing the gas valve assembly
1. Disconnect the product from the power grid.
2. Close the gas stopcock.
3. Remove the front casing. (→ Page 16)
4. Remove the air intake pipe (2).
5. Remove the plug from the gas valve assembly (3) and
from the fan (4).
6. Unscrew the gas connection pipe's connection (1) from
the gas valve assembly.
7. Undo the two screws (5).
8. Remove the gas valve assembly (3).
9. Remove the seal (6) if it is still in place on the fan (7).
10. Install the new gas valve assembly in reverse order.
11. Check the CO₂ content. (→ Page 32)
12. Set the CO₂ content. (→ Page 32)
13.6.4 Replacing the heat exchanger
1. Remove the front casing. (→ Page 16)
2. Remove the gas-air mixture unit. (→ Page 32)
To Next Page
Loading...
