BC10 basic controller
10
Installation instructions Logamax plus GB142-24/30/45/60 • version 10/2007
41
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1)
(changing)
P3 ... P12
Warning:
System pressure is too low (between 3 and 12 psi
= 0.2 and 0.8 bar)
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.
number 0 ... 199
2)
Current boiler water temperature (in °F)
P3 ... P12
Current system pressure (in psi)
1)
(flashing)
< P3
Fault: system pressure is far too low (< 3 psi =
< 0.2 bar)
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.
number > 200
Error code
Remedy the error see servicing section
number 0 ... 199
2)
Current boiler water temperature (in °F)
< P3
Current system pressure (in psi)
1)
(partially
flashing)
Combination of
letters and digits
Service code
Fault
Lock-out faults (flashing display) must be
reset by pressing the "Reset"
c
button.
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.
number > 199
Error code
Remedy the error using the servicing section in
this manual
number 0 ... 199
2)
Current boiler water temperature (in °F)
> P15
Current system pressure (in psi)
1)
A00 ... A99
Service code
System faults
System faults are faults in the heating
system that do not affect the burner
operation.
number > 800
Error code
Remedy the error using the service section in this
manual
number 0 ... 199
Current boiler water temperature (in °F)
> P15
Current system pressure (in psi)
(flashing)
Fault
No communication between BC10 and automatic
gas burner.
Fault
Remedy the error using the service section
in this manual.
Check the connections to both devices.
Check the communication lines.
Displays
(examples)
Values
Meaning
Operating condition/Remedy
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.
P12
H
7
-H
140
P12
P3
207
140
P3
3A
207
140
P21
A12
816
-H
140
P21
-