Buderus Logamax plus - Page 77

Display information 13
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements! 77
[4/l/\| [2/2/0|
Blocking fault:
The contacts for the safety temperature sensor have shorted or the safety
temperature sensor has detected a flow temperature of over 266 °F
(130 °C).
No heating operation and no DHW.
[4/p/\| [2/2/1|
Blocking fault:
The contacts for the safety temperature sensor have been interrupted.
No heating operation and no DHW.
[4/u/\| [2/2/2|
Blocking fault:
The contacts for the safety temperature sensor have shorted.
No heating operation and no DHW.
[4/y/\| [2/2/3|
Blocking fault:
The contacts for the safety temperature sensor have been interrupted.
No heating operation and no DHW.
[5/h/\| [2/6/8|
Operating phase:
Component test phase.
[6/a/\| [2/2/7|
Locking fault:
The system has detected an insufficient ionization current during the
ignition phase.
[6/a/\| [2/2/7|
Blocking fault:
The system has detected an insufficient ionization current after four
start-up attempts.
No heating operation and no DHW.
[6/c/\| [2/2/8|
Blocking fault:
The system has detected an ionization current before burner start-up.
No heating operation and no DHW.
[6/c/\| [3/0/6|
Blocking fault:
An ionization current has been measured after the burner shut down.
No heating operation and no DHW.
[6/l/\| [2/2/9|
Blocking fault:
The system has detected an insufficient ionization current during the
operating phase.
[6/p/\| [2/6/9|
Blocking fault:
The glow ignitor was activated for more than 10 minutes.
No heating operation and no DHW.
[6/y/\| [2/0/3|
Blocking fault:
The ionization current is too high.
No heating operation and no DHW.
[7/c/\| [2/3/1|
Blocking fault:
The power supply was interrupted during a locking fault
[4/a/\| [4/c/\| [4/e/\| [4/f/\|
[4/l/\| [4/p/\| [4/u/\| [4/y/\|
No heating operation and no DHW.
[7/l/\| [2/6/1|
Blocking fault:
The UBA 3 is defect.
No heating operation and no DHW.
[7/l/\| [2/8/0|
Blocking fault:
The UBA 3 is defect.
[8/y/\| [2/3/2|
1)
Operating phase:
The external switch contact is open.
No heating operation.
Display codes
Main
display
code
Sub-
display
code
Key to display code
Other effects
Table 19 BC10 Display codes
1) Only visible on the Service Tool or a specific RC controller.