Buderus logamax plus gb142-24 Installation Manual page 41

Displays Values
(examples)
1)
P12
P3 ... P12
(changing)
H 7
-H
140
number 0 ... 199
P12
P3 ... P12
1)
P3
< P3
(flashing)
207
number > 200
140
number 0 ... 199
P3
< P3
1)
3A
(partially Combination of
flashing)
letters and digits
207
number > 199
140
number 0 ... 199
P21
> P15
A12
1)
A00 ... A99
816
number > 800
-H
140
number 0 ... 199
P21
> P15
-
(flashing)
Table 8 Possible status displays
1)
Standard display for this operating condition. This display appears after 5 minutes if no button is pressed.
2)
The temperature is higher as 199° when 199 is blinking in the display.
We reserve the right to make any changes due to technical modifications!
Installation instructions Logamax plus GB142-24/30/45/60 • version 10/2007
Meaning
Warning:
System pressure is too low (between 3 and 12 psi
= 0.2 and 0.8 bar)
2)
Current boiler water temperature (in °F)
Current system pressure (in psi)
Fault: system pressure is far too low (< 3 psi =
< 0.2 bar)
Error code
Remedy the error see servicing section
2)
Current boiler water temperature (in °F)
Current system pressure (in psi)
Service code
Error code
Remedy the error using the servicing section in
this manual
2)
Current boiler water temperature (in °F)
Current system pressure (in psi)
Service code
Error code
Remedy the error using the service section in this
manual
Current boiler water temperature (in °F)
Current system pressure (in psi)
Fault
No communication between BC10 and automatic
gas burner.
BC10 basic controller
Operating condition/Remedy
Warning
Heating system remains operational
between 12 psi and 3 psi (0.8 and 0.2 bar).
Fill the heating system and restore the
minimum filling pressure (≥ 14.5 psi =
≥ 1.0 bar).
The system pressure is shown for
10 minutes after which the standard
display returns.
Fault
Burner and boiler circuit pump are not
operational. Frost protection is active up to
2 psi (0.1 bar).
The heating system will only become
operational again if the pressure is back to
14.5 psi (1.0 bar).
Fill the heating system and restore the
minimum filling pressure (≥ 14.5 psi =
≥ 1.0 bar).
The system pressure is shown for
10 minutes after which the standard
display returns.
Fault
Lock-out faults (flashing display) must be
reset by pressing the "Reset"
Blocking faults reset automatically as soon
as the cause has been removed.
Remedy any blocking faults that remain
active for a long time using the service
section in this manual.
System faults
System faults are faults in the heating
system that do not affect the burner
operation.
Fault
Remedy the error using the service section
in this manual.
Check the connections to both devices.
Check the communication lines.
Buderus • http://www.buderus.net
10
c
button.
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