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Operation, display, diagnostics
Operation
Operational status
indication
Legend
Siemens Building Technologies
HVAC Products
Lockout reset button «EK...» is the key operating element for resetting
EK
the burner control and for activating / deactivating the diagnostic func-
tions.
Red
The multicolor LED is the key indicating element for both visual diag-
nostics and interface diagnostics.
Yellow
Green
LED
Both «EK...» and LED are located under the transparent cover of the lockout reset
button.
There are 2 diagnostic choices available:
1.
Visual diagnostics: Operational status indication.
2.
Interface diagnostics: With the help of the interface adapter OCI400 and PC soft-
ware ACS400 or flue gas analyzers of different makes (refer to Data Sheet 7614).
Visual diagnostics:
In normal operation, the different operational statuses are indicated in the form of color
codes according to the color code table. Interface diagnostics is activated by pressing
the lockout reset button for at least 3 seconds (refer to Data Sheet 7614). If, by acci-
dent, interface diagnostics has been activated, in which case the slightly red light of the
signal lamp flickers, it can be deactivated by pressing again the lockout reset button for
at least 3 seconds. The moment of switching over is indicated by a yellow light pulse.
Operating position
Visual diagnosis
Colour code table
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During startup, status indication takes place according to the following table:
Status
Waiting time «tw», standby on con-
tinuous phase, waiting statuses
Oil preheater heats
Ignition phase, ignition controlled
Operation, flame o.k.
Operation, flame not o.k.
Extraneous light on burner startup
Undervoltage
Fault, alarm
Output of fault code (refer to «Error
code table»)
Interface diagnosis
......
Permanent
Off
Operating position
Interface diagnosis
PC / analyzer
> 3 s
EK
Color code table
Color code
.........................................
..........................................
..........................................
= = = = =
= = = = =
=
..........................................
=
=
= = = = = = =
=
Red
Yellow
Green
Yellow
Flashing yellow
Green
Flashing green
Green-red
Yellow-red
Red flashing
=
=
=
Red flicker light
Red flicker light
Color
Off
7/10
CC1N7138en
22.07.2002
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