Worcester GB162-65 Installation And Servicing Instruction page 77

Main Sub
display display
z z
code code
[9/h/\| [2/7/2|
e e
e [9/l/\| e [2/3/4|
e [9/l/\| e [2/3/8|
[9/p/\| [2/3/9|
e e
[9/u/\| [2/3/3|
e e
[a/0/1| [8/0/0|
e e
e [a/0/1| e [8/0/8|
e [a/0/1| e [8/0/9|
e [a/0/1| e [8/1/0|
Table 24 Display codes
6 720 648 726 (2011/07)
Display codes
Display code
Key to display code
z
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.
e
Fault:
The UBA 3 or the KIM is defective.
e
Fault:
The contacts to the outdoor-temperature
sensor have shorted or are interrupted, the
sensor has been connected incorrectly or is
defective.
e
Fault:
The contacts to the DHW temperature
sensor have shorted or are interrupted, the
sensor has been connected incorrectly or is
defective.
e
Fault:
The contacts to DHW temperature sensor 2
have shorted or are interrupted, the sensor
has been connected incorrectly or is
defective.
e
Fault:
The boiler water does not warm up. Sensor
lead broken or shorted, sensor connected
incorrectly or defective, filling pump
connected incorrectly or defective.
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
1 Hz
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 Minimum outdoor
temperature is
assumed.
No Off No DHW is heated
any more.
No Off No DHW is heated
any more.
No Off No DHW available,
but there is heating
operation. The DHW
priority is cancelled
when the fault
message appears.
77