Worcester GB162-65 Installation And Servicing Instruction page 74

DISPLAY INFORMATION
Main Sub
display display
z z
code code
[2/p/\| [2/1/2|
e e
[2/u/\| [2/1/3|
e e
[2/y/\| [2/8/1|
e e
[2/y/\| [2/8/2|
e e
[3/a/\| [2/6/4|
e e
[3/c/\| [2/1/7|
e e
e [3/f/\| e [2/7/3|
e [3/l/\| e [2/1/4|
[3/p/\| [2/1/6|
e e
[3/y/\| [2/1/5|
e e
[4/a/\| [2/1/8|
e e
Table 24 Display codes
74
Display codes
Display code
Key to display code
z
e
Fault:
The flow temperature sensor has measured
a heating water temperature increase of
over 5 °C/s.
e
Fault:
The temperature difference measured
between the flow temperature sensor and
the return temperature sensor, is more than
50 °C.
e
Fault:
The pump has stopped or is running without
water.
e
Fault:
No feedback from the pump.
e
Fault:
The tacho signal from the fan has failed
during the operating phase.
e
Fault:
No current of air after a certain time.
e
Operating phase:
The appliance has been switched off for a
couple of seconds, because it had been
running without any interruption for
24 hours. This is a safety check.
e
Fault:
The tacho signal from the fan is not present
during the pre-operative or operating phase.
e
Fault:
The fan is running too slowly.
e
Fault:
The fan is running too fast.
e
Fault:
The flow temperature sensor has detected a
flow temperature of over 105 °C.
LED on Other effects
UBA 3
Reset
requi-
red?
No Off
4) 5)
No Off
4) 5)
No Off
No Off
No Off
4) 5)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
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)
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)
6 720 648 726 (2011/07)