Operational And Fault Codes; Frost Hazard For The Heating System - Benchmark Buderus 600-28C User Manual

Users manual
I
6.3

Frost hazard for the heating system

NOTE
Normally set by commisioning Engineer.
Press the chimney sweep button and the service
button (see fig. 6, item 2 and 3) simultaneously until
"L--" appears in the display.
Press the service button repeatedly until for example
"F 5" appears in the display. "F 5" means that the
pump run over time is currently set at 5 minutes.
This is the factory setting.
Adjust the pump run over time by pressing the
chimney sweep button to reduce the run over time of
the pump and the reset button to increase the pump
run over time. The range is 0 min to 60 min. (F 0..F60)
and 24 hours (F1d).
Set the pump run over time to "F1d" (fig. 6, item 4)
when there is a frost hazard.
Confirm the selection by pressing the service button
(fig. 6, item 3).
6.4

Operational and fault codes

Operating conditions and possible faults are shown on
the display (fig. 6, item 4). The codes consists of two
characters.
All codes not contained in table 3 should be noted down
separately. These are malfunctions that require the
presence of a specialist technician.
Subject to modifications resulting from technical improvements!
6
1
Fig. 6 BC10; frost hazard
Display Meaning
after
pressing
service
button
0A, 0C, 0H,
Boiler is ready for
0L, 0U, 0Y
operation
6A
Burner not ignited
-H
Normal heating
mode
=H
Normal hot water
mode
Table 3 Operational and fault codes
Buderus • http://www.buderus-domestic.co.uk
Users manual for Buderus 600 - 28C • Edition 02/2006
4
2
3
Rectification
Press reset button (fig. 6, item 1).
If the burner fails to ignite after
several unblocking operations,
consult a specialist company.
Maximum comfort when set at
60° C