Siemens LMO14 Series Installation Instructions Manual page 15

Operation, display, diagnostics
Operation
Operational status
indication
Legend
Building Technologies
Lockout reset button «EK» is the key operating element for resetting
EK
the burner control and for activating / deactivating the diagnostic
functions.
Red
The multicolor signal lamp (LED) in the lockout reset button is the key
Yellow
indicating element for both visual diagnostics and interface diagnostics.
Green
LED
Both «EK» and LED are located under the transparent cover of the lockout reset
button.
There are 2 diagnostic choices:
1. Visual diagnostics: Operational status indication or diagnostics of the cause of
fault.
2. Interface diagnostics: With the help of the interface OCI400 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 given below.
During startup, status indication takes place according to the following table:
Color code table for multicolor signal lamp (LED)
Status
Waiting time «tw», other waiting states
Oil preheater on
Ignition phase, ignition controlled
Operation, flame o.k.
Operation, flame not o.k. (when detector
current drops below the recommended
level for reliable operation)
Extraneous light on burner startup
Undervoltage
Fault, alarm
Error code output (refer to «Error code
table»)
Interface diagnostics
...... Steady on
Off
Color code
........................................
........................................
.........................................
.........................................
Red
Yellow
Green
Color
Off
Yellow
Flashing yellow
Green
Flashing green
Green-red
Yellow-red
Red
Flashing red
Red flicker light
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CC1N7130en
15.03.2018