77
System Operation Mode Display
ES indicates that although the mode selector switch is on "Setting”.
its control function is working according to a calculated curve in the
RAM. The curve is calculated from a partial curve already entered. This
mode is arrived at if the burner is switched off during a programming
sequence and then restarts. The programming can be continued by
operating a switch (change to "EI” mode”). Flame signal and control
release are present.
STindicates that the FMS has gone to "Fault”.
The fault code can be called up in "Status” switch position. In the "load
rating” switch position” the load rating at the time of the fault is
displayed.
VO indicates that the FMS is in "Pre-ventilation” mode. There is a signal on
terminal 2 and a signal on terminal 3. Pre-ventilation routine active.
HANDindicates that the FMS has been switched to manual mode whilst the
or burner is running. In the "Load rating” selector switch position the load
HA can now be adjusted by means of the channel 1 switch. To quit manual
mode, press a switch other than the channel 1 switch.
term.4 term.8 If also on "Setting"
0 0 0 0 AU or NA EI or EZ
1 0 0 0 BE or ZÜ EI or EZ
1 1 0 0 VO EV
1 0 0 1 GL EG
1 0 1 1 Automatic EI
ext Hand indicates that the FMS was switched to manual operation, but the load
was specified externally and not via the channel 1 key (that is, e.g. via
remote software or bus).
LEindicates that the output regulator of the FMS is deactivated and the
load is controled by an external signal.
Input terminals Mode
term.2 term.3
O regulator modes opO regulator on standby (during burner startup), or O regulator temporarily
22 2
switched off as a function of load via parameters 914 and 915.
or O regulator active
2
ot O regulator temporarily deactivated (air shortage, probe dynamics, etc)
2
odO regulator deactivated (during fault) e.g. test routines failed during
2
burner startup, dynamic test negative, O regulator temporarily
2
deactivated for longer than 1 hour, etc.
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