Worcester GB162-65 Installation And Servicing Instruction page 81

Main Sub
display display
z z
code code
[a/2/2| [8/1/6|
e e
e [a/3/2| e [8/0/7|
e [a/3/2| e [8/1/6|
[c/a/\| [2/8/6|
e e
e [c/u/\| e [2/4/0|
[e/l/\| [2/9/0|
e e
e [e/\/\| e [2/4/2|
9)
–
[2/8/7|
Table 24 Display codes
6 720 648 726 (2011/07)
Display codes
Display code
Key to display code
z
e
Fault:
RC25-HK2 communication. RC25 addressed
incorrectly, wired incorrectly or defective.
e
Fault:
The contacts to the heating circuit flow
sensor have shorted or are interrupted, the
sensor has been connected incorrectly or is
defective.
e
Fault:
MM10 not available or no communication.
The heating circuit addresses on the MM10
and the RC35 do not match up, the MM10 or
the bus circuit is connected incorrectly or is
defective, MM10 is not recognized by the
RC35.
e
Fault:
The return temperature sensor has
measured a return temperature higher than
105 °C.
e
Fault:
The contacts for the return temperature
sensor have shorted.
e
Fault:
The UBA 3 or the KIM is defective.
e
Fault:
The UBA 3 or the KIM is defective.
DISPLAY INFORMATION
LED on Other effects
UBA 3
Reset
requi-
red?
No Off Since there is no
actual room
temperature
information, room
influence and
optimization of the
switch times do not
work.
No Off Heating circuit pump
2 is activated
depending on the
preset value. The
power to the mixer
is switched off and
the mixer stays in
the state it was last
put in (can be
adjusted manually).
No Off Heating circuit 2
cannot be operated
correctly. MM10 and
the mixer
automatically goes
into emergency
operation. Heating
circuit pump 2 is
activated
continuously.
Monitor data in the
RC35 is invalid.
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 heating operation
and no DHW.
4) 5)
Yes flashing No heating operation
1 Hz and no DHW.
5) 6)
7) 8)
81