Worcester GB162-65 Installation And Servicing Instruction page 72

DISPLAY INFORMATION
Main Sub
display display
z z
code code
[-/h/} [2/0/0|
e e
3) 2)
e [=/h/\| e [2/0/1|
2)
[=/h/\| [2/0/1|
e e
2)
[0/a/\| [2/0/2|
e e
2)
e [0/a/\| e [3/0/5|
2)
e [0/c/\| e [2/8/3|
2)
e [0/e/\| e [2/6/5|
2)
[0/h/\| [2/0/3|
e e
2)
e [0/l/\| e [2/8/4|
2)
[0/u/\| [2/7/0|
e e
2)
Table 24 Display codes
72
Display codes
Display code
Key to display code
z
Operating phase:
The boiler is in manual operation mode.
Operating phase:
The boiler is in DHW mode.
Operating phase:
Pump run-over time via the external hot
water cylinder 130 seconds at the minimum
speed. The "Burner" LED (On/Off) is off.
Operating phase:
The switch optimisation program is
activated. This program is activated if there
has been any demand more frequently than
once every 10 minutes. This means that the
boiler cannot be restarted until at least 10
minutes have elapsed since initial burner
start-up.
Operating phase:
The boiler cannot start up temporarily after
a DHW request has ended.
Pre-operative phase:
The boiler prepares for a burner start-up
whenever a heat demand or a DHW request
arises.
Readiness for operation:
The boiler is in standby mode. There is a
current heat demand, but too much energy
has been supplied.
Readiness for operation:
The boiler is in standby mode. There is no
current heat demand.
Ignition phase:
The gas valve is activated.
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.
LED on Other effects
UBA 3
Reset
requi-
red?
Off The room
temperature is too
high.
Off
Off
Off The room
temperature is not
possibly reached.
Off
Off
Off
Off
Off
Off
6 720 648 726 (2011/07)