Operational State Indication; Operation, Indication, Diagnostics - Siemens LME7 Series Basic Documentation

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Operation, indication, diagnostics

7.1 Operation
nfo
Lockout reset button (info button) (EK) is the key operating element for
resetting the burner control and for activating / deactivating the diag-
nostics functions.
Red
Yellow
The multicolor signal lamp (LED) is the key indicating element for visual
Green
diagnostics.
LED
Both lockout reset button (EK) and signal lamp (LED) are located in the control panel.
There are 2 diagnostics choices:
1. Visual diagnostics: Operational state indication or diagnostics of the cause of fault
2. Diagnostics: Via BCI to AZL2... display and operation unit
Visual diagnostics:
In normal operation, the different operating states are indicated in the form of color co-
des according to the color code table given below.

7.2 Operational state indication

During startup, state indication takes place according to the following table:
Color code table for multicolor signal lamp (LED)
State
Waiting time (tw), other waiting sta-
tes
Ignition phase, ignition controlled
Operation, flame o.k.
Operation, flame not o.k.
Extraneous light on burner startup
Undervoltage
Fault, alarm
Error code output (refer to «Error
code table»)
Interface diagnostics
Heating request
New program card
...... Steady on
Off
Basic Documentation LME7...
7 Operation, indication, diagnostics
Color code
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Red
Yellow
Green
Color
Off
Flashing yellow
Green
Flashing green
Green-red
Yellow-red
Red
Flashing red
Red flicker light
Yellow
Yellow-yellow-red
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CC1P7105en
13.10.2009