Buderus GB162 User Instructions page 33

[0/u/\| Start-up phase. The boiler starts up after activation of the main power supply or
completion of a system reset.
[0/y/\| The flow temperature is higher than set.
Fault (subcode [2/0/7|). The system pressure is too low (less than 3 psi (0.2 bar)).
[2/e/\|
[8/8/8| Display test during start-up phase (max. 1 second).
The system pressure is too low (less than 12 psi (0.8 bar)).
[h/\/7|
[h/\/7| The system pressure is too low (less than 12 psi (0.8 bar)).
[p/?/?| The system pressure is too high (higher than 58 psi (4.0 bar)).
[\/r/e|
The boiler is resetting.
Table 8 Display codes (continued)
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Operating and error messages
Display codes
33