Bosch WBN 6000-24 CR - Faults that Are Not Shown on the Display

Faults
41
Gaz 6000 W – 6720866247 (2019/07)
17.3 Faults that are not shown on the display
Table 28 Faults that are not shown on the display
Appliance faults Remedy
Water circulation noises ▶ Correctly set the pump speed at the pump terminal box.
Heating up takes too long ▶ Correctly set the pump speed at the pump terminal box.
Flue gas readings incorrect;
CO content too high
▶ Check gas type.
▶ Check gas supply pressure and adjust if required.
▶ Check flue system. Clean or repair if required.
▶ Check gas settings; replace gas valve if required.
Ignition too violent, or poor ▶ Check gas type.
▶ Check gas supply pressure and adjust if required.
▶ Check power supply.
▶ Check electrodes with cable. Replace if required.
▶ Check flue system. Clean or repair if required.
▶ Check gas settings; replace gas valve if required.
▶ For natural gas: Check external gas flow monitor. Replace if required.
▶ Check burner. Replace if required.
DHW outlet temperature is
not reached
▶ Check appliance type and gas type; see service function 2.0A.
▶ Check turbine. Replace if required.
No heating, no DHW (pump is not running) ▶ Unblock pump ( page 37).