Strebel SC-B - Lock Out and Faults; Lock Out Codes; Other Faults and Complaints

Page 33 of 51
10. LOCK OUT
As the burner control goes into Lock Out, the display will show a code (see also 8.3 page 27) which
corresponds with the cause of the error; the table below shows the errors.
Only by pressing the “Reset-button” the boiler can be reactivated.
Meaning Code on
Display
Possible cause of the Lock Out
See fault numbers Page 34 to 37
Short Circuit in Ionisation Circuit F0 18; 35; 61
Limit Temperature F2 4;5;21;23;24;29;30;42;46
Wrong Fan speed F4 7;8;9;13;19;39;40;41
No Flame after 5 Ignition attempts F5 10;11;16;18;22;25;35;
Flame lost (4 times) during running F6 10;12;16;22;25;26;32;44
Flow sensor shorted or interrupted E0 4;5;23;29;46
E1 3;4;21;24;25;38;43;55;
Return Sensor short/interrupted E2 4;5;23;29;46
E4 3;4;21;24;25;38;43;55;
E5 1;2;3;4;21;24;30;43;46;51;55;63;
New Parameters programmed correct PP Press Re Set Button
Parameters incorrectly programmeerd PE Revise programme
Burner Control has malfunction nc Switch power off then on
No communication (in cascade mode) nc, Check cables to all boilers and Bus
address numbers
Burner defect H1 Press reset button
There are several faults or complaints that the display is unable to convey.
Some of these faults or complaints are:
Complaint Cause of the fault
(see page 34 to 37)
a.
The building is not warming up but the boiler is working 45;53;54
b.
Noisy ignition 16;35
c.
Burner of the boiler is continuously on, but the CH water is not warming
up
45
d.
Room thermostat demanding heat, but boiler is not firing 1;42;52
e.
Burner of the boiler is continuously on; building is getting too hot 2
f.
Boiler is very noisy during CH operation 29;46;66
g.
Tops of radiators are insufficiently hot 55
h.
ON DHW, the water is cold 24;56
i.
Temperature of the DHW is far too hot 51;57
j.
ON DHW, the water remains below 60°C 51;58
k.
ON DHW, the boiler is very noisy 23;59
l.
Fault after replacement of the burner control 60
Table 5; Other faults