Worcester GB162-100, Installation And Servicing Instruction

Page: 75 / 96

DISPLAY INFORMATION
6 720 648 726 (2011/07) 75
e
[4/c/\|
e
[2/2/4|
e
Fault:
There is no bridging cable between contacts
22 and 24 of the UBA 3 contact strip.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[4/e/\|
e
[2/7/8|
e
Fault:
The sensor test has failed.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[4/f/\|
e
[2/1/9|
e
Fault:
The safety temperature sensor has detected
a flow temperature of over 105 °C.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[4/l/\|
e
[2/2/0|
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.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[4/p/\|
e
[2/2/1|
e
Fault:
The contacts for the safety temperature
sensor have shorted.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[4/u/\|
e
[2/2/2|
e
Fault:
The contacts for the safety temperature
sensor have been interrupted.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[4/y/\|
e
[2/2/3|
e
Fault:
The contacts for the safety temperature
sensor have been interrupted.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[5/h/\|
e
[2/6/8|
e
Operating phase:
Component test phase.
No Off
e
[6/a/\|
e
[2/2/7|
e
Fault:
The system has detected an insufficient
ionisation current during the ignition phase.
No
4) 5)
Off
e
[6/a/\|
e
[2/2/7|
e
Fault:
The system has detected an insufficient
ionisation current after four start-up
attempts.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
e
[6/c/\|
e
[2/2/8|
e
Fault:
The system has detected an ionisation
current before burner start-up.
Yes
5) 6)
7) 8)
flashing
1 Hz No heating operation
and no DHW.
Display codes
Display code LED on
UBA 3 Other effects
z
Main
display
code
z
Sub
display
code
z
Key to display code
Reset
requi-
red?
Table 24 Display codes