Buderus Logamax plus GB162-L.B. 80 kW Installation Instructions Manual page 51

Main display Sub display
code code Key to display code
[4/c/\| [2/2/4|
Blocking fault:
There is no bridging cable between contacts 22 and 24 of the UBA 3
contact strip.
[4/e/\| [2/7/8|
Blocking fault:
The sensor test has failed.
[4/f/\| [2/1/9|
Blocking fault:
The safety temperature sensor has detected a flow temperature of over
266 °F (130 °C).
[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).
[4/p/\| [2/2/1|
Blocking fault:
The contacts for the safety temperature sensor have been interrupted.
[4/u/\| [2/2/2|
Blocking fault:
The contacts for the safety temperature sensor have shorted.
[4/y/\| [2/1/3|
Blocking fault:
The contacts for the safety temperature sensor have been interrupted.
[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 4 start-up
attempts.
[6/c/\| [2/2/8|
Blocking fault:
The system has detected an ionization current before burner start-up.
[6/c/\| [3/0/6|
Blocking fault:
An ionization current has been measured after the burner shut down.
[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 system has detected an insufficient ionization current during the
operating phase.
[6/y/\| [2/0/3|
Blocking fault:
The ionization current is too high.
[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/\|
[7/h/\| [3/2/8|
Blocking fault:
There was a momentary interruption of power.
[7/l/\| [2/6/1|
Blocking fault:
The UBA 3 is defect.
[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.
[8/8/8|
Start-up phase:
The boiler starts up after activation of the mains power supply or
completion of a system reset. This code is displayed for a maximum of
4 minutes.
Table 23 Display codes
Logamax plus GB162-L.B. 80 kW / 100 kW – 6720645916 (2014/10)
Display codes
Display information
Other effects
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.
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.
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.
No heating operation.
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