Worcester GB162-65 Installation And Servicing Instruction page 75

Main Sub
display display
z z
code code
[4/c/\| [2/2/4|
e e
e [4/e/\| e [2/7/8|
e [4/f/\| e [2/1/9|
[4/l/\| [2/2/0|
e e
[4/p/\| [2/2/1|
e e
[4/u/\| [2/2/2|
e e
e [4/y/\| e [2/2/3|
e [5/h/\| e [2/6/8|
e [6/a/\| e [2/2/7|
e [6/a/\| e [2/2/7|
[6/c/\| [2/2/8|
e e
Table 24 Display codes
6 720 648 726 (2011/07)
Display codes
Display code
Key to display code
z
e
Fault:
There is no bridging cable between contacts
22 and 24 of the UBA 3 contact strip.
e
Fault:
The sensor test has failed.
e
Fault:
The safety temperature sensor has detected
a flow temperature of over 105 °C.
e
Fault:
The contacts for the safety temperature
sensor have shorted or the safety
temperature sensor has detected a flow
temperature of over 130 °C.
e
Fault:
The contacts for the safety temperature
sensor have shorted.
e
Fault:
The contacts for the safety temperature
sensor have been interrupted.
e
Fault:
The contacts for the safety temperature
sensor have been interrupted.
e
Operating phase:
Component test phase.
e
Fault:
The system has detected an insufficient
ionisation current during the ignition phase.
e
Fault:
The system has detected an insufficient
ionisation current after four start-up
attempts.
e
Fault:
The system has detected an ionisation
current before burner start-up.
DISPLAY INFORMATION
LED on Other effects
UBA 3
Reset
requi-
red?
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
No Off
No Off
4) 5)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
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