Worcester GB162-50 Installation And Servicing Instructions page 57

Main Sub
display display
z z
code code
[6/a/\| [2/2/7|
e e
[6/c/\| [2/2/8|
e e
[6/c/\| [3/0/6|
e e
[6/l/\| [2/2/9|
e e
[6/p/\| [2/6/9|
e e
[6/y/\| [2/0/3|
e e
[7/c/\| [2/3/1|
e e
[7/l/\| [2/6/1|
e e
[7/l/\| [2/8/0|
e e
[8/y/\| [2/3/2|
e e
2)
[8/8/8|
[9/a/\| [2/3/5|
e e
[9/h/\| [2/3/7|
e e
[9/h/\| [2/6/7|
e e
[9/h/\| [2/7/2|
e e
[9/l/\| [2/3/4|
e e
[9/l/\| [2/3/8|
e e
[9/p/\| [2/3/9|
e e
Table 24 Display codes
6720813171 (2015/04)
Display code
z
Key to display code
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.
e
Fault:
An ionisation current has been measured after the burner
shut down.
e
Fault:
The system has detected an insufficient ionisation current
during the operating phase.
e
Fault:
The glow ignitor was activated for more than 10 minutes.
e
Fault:
The ionisation current is too high.
e
Fault:
The power supply was interrupted during a locking fault
4A, 4C, 4E, 4F, 4L, 4P, 4U, 4Y.
e
Fault:
The UBA 3 is defect.
e
Fault:
The UBA 3 is defect.
Operating phase:
The external switch contact is open.
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.
e
Fault:
The UBA 3 or the KIM is defective.
e
Fault:
The UBA 3 or the KIM is defective.
e
Fault:
The UBA 3 or the KIM is defective.
e
Fault:
The UBA 3 or the KIM is defective.
e
Fault:
The contacts for the gas valve have been broken.
e
Fault:
The UBA 3 or the KIM is defective.
e
Fault:
The UBA 3 or the KIM is defective.
Display codes
Reset
requi-
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
5) 6) 7)
Display information
LED on
red? UBA 3 Other effects
Yes flashing No heating operation and no
1 Hz DHW.
8)
Yes flashing No heating operation and no
1 Hz DHW.
8)
Yes flashing No heating operation and no
1 Hz DHW.
8)
No Off
4) 5)
Yes flashing No heating operation and no
1 Hz DHW.
8)
Yes flashing No heating operation and no
1 Hz DHW.
Yes flashing No heating operation and no
1 Hz DHW.
8)
Yes flashing No heating operation and no
1 Hz DHW.
8)
Yes flashing
1 Hz
8)
Off No heating operation and no
DHW.
On
Yes flashing No heating operation and no
1 Hz DHW.
Yes flashing No heating operation and no
1 Hz DHW.
Yes flashing No heating operation and no
1 Hz DHW.
Yes flashing No heating operation and no
1 Hz DHW.
8)
Yes flashing No heating operation and no
1 Hz DHW.
8)
Yes flashing
1 Hz
8)
Yes flashing No heating operation and no
1 Hz DHW.
8)
57