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Building Technologies Division
CC1N7138en
18.05.2016
Operation, display, diagnostics
EK
713
8z
04/
060
2
Lockout reset button «EK» is the key operating element for resetting
the burner control and for activating / deactivating the diagnostic
functions.
LED
7138z
0
1e/
060
2
Red
Yellow
Green
The multicolor signal lamp (LED) in the lockout reset button is the key
indicating element for visual diagnostics and interface diagnostics.
Both elements (EK / LED) are located under the transparent cover of the lockout reset
button.
There are 2 diagnostic choices available:
1. Visual diagnostics: Operating state indication or diagnostics of the cause of fault
2. Interface diagnostics: With the help of the OCI400 interface and PC software
ACS410 or flue gas analyzers of different makes.
Visual diagnostics:
In normal operation, the different operating states are indicated in the form of color
codes according to the color code table.
During startup, indication of the operating state takes place according to the following
table:
Color code table for multicolor «LED» signal lamp
State
Color code
Color
Waiting time «tw», standby on
continuous phase, waiting status
........................................
Off
Oil preheater heats
........................................
Yellow
Ignition phase, ignition controlled
Flashing yellow
Operation, flame o.k.
.........................................
Green
Operation, flame not o.k. (when
detector current drops below the
recommended level for reliable
operation)
Flashing green
Extraneous light on burner startup
Green-red
Undervoltage
Yellow-red
Fault, alarm
.........................................
Red
Output of fault code (refer to «Error
code table»)
Flashing red
Interface diagnostics
Red flicker light
......
Steady on
Red
Off
Yellow
Green
Operation
Operating state
indication
Legend
