Faults That Are Not Shown On The Display - Bosch Gaz 6000 W Installation And Maintenance Instructions Manual

17.3

Faults that are not shown on the display

Appliance faults
Water circulation noises
Heating up takes too long
Flue gas readings incorrect;
CO content too high
Ignition too violent, or poor
DHW outlet temperature is
not reached
No heating, no DHW (pump is not running)
Table 28 Faults that are not shown on the display
Gaz 6000 W – 6720866247 (2019/07)
Remedy
▶ Correctly set the pump speed at the pump terminal box.
▶ Correctly set the pump speed at the pump terminal box.
▶ 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.
▶ 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.
▶ Check appliance type and gas type; see service function 2.0A.
▶ Check turbine. Replace if required.
▶ Unblock pump ( page 37).
Faults
41