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Main
Sub-
display
display
code
code
[0/a/\|
[3/0/5|
Operating phase:
The boiler cannot start up temporarily after a DHW request has ended.
1)
Pre-operative phase:
[0/c/\|
[2/8/3|
The boiler prepares for a burner start-up whenever a heat demand or a
1)
DHW request arises.
Readiness for operation:
[0/e/\|
[2/6/5|
The boiler is in standby mode. There is a current heat demand, but too
1)
much energy has been supplied.
[0/h/\|
[2/0/3|
Readiness for operation:
The boiler is in standby mode. There is no current heat demand.
1)
[0/l/\|
[2/8/4|
Ignition phase:
The gas valve is activated.
1)
Start-up phase:
[0/u/\|
[2/7/0|
The boiler starts up after activation of the mains power supply or comple-
1)
tion of a system reset. This code is displayed for a maximum of
4 minutes.
Operating phase:
[0/y/\|
[2/0/4|
The flow temperature sensor has detected that the current flow tempera-
1)
ture is higher than the flow temperature setting on the BC10, or that it is
higher than the flow temperature calculated according to the heating
curve, or that it is higher than the flow temperature calculated for the
DHW mode.
Locking fault:
[0/y/\|
[2/7/6|
The flow temperature sensor has measured a current flow temperature
higher than 203 °F (95 °C).
Locking fault:
[0/y/\|
[2/7/7|
The safety temperature sensor has measured a current flow temperature
higher than 203 °F (95 °C).
Locking fault:
[0/y/\|
[2/8/5|
The return temperature sensor has measured a current return tempera-
ture higher than 203 °F (95 °C).
Blocking fault:
[1/a/\|
[3/1/6|
The flue gas sensor temperature is too high.
Locking fault:
[1/l/\|
[2/1/1|
There is no connection between contacts 78 and 50 of the UBA 3 instal-
lation base.
Blocking fault:
[1/u/\|
[3/1/7|
The flue gas sensor contacts have shorted.
Blocking fault:
[1/y/\|
[3/1/8|
The flue gas sensor contacts are open.
Locking fault:
[2/e/\|
[2/0/7|
The system pressure is too low (less than 3 psi [0.2 bar]).
Table 19 BC10 Display codes
1)
Only visible on the Service Tool or a specific RC controller.
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
Display codes
Key to display code
Display information
Other effects
The room temperature is not possibly
reached.
The room temperature is not possibly
reached.
The room temperature is not possibly
reached.
The room temperature is not possibly
reached.
No heating operation and no DHW.
No heating operation and no DHW.
No heating operation and no DHW.
No heating operation and no DHW.
No heating operation and no DHW.
13
75
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