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Building Technologies Division  Basic Documentation LME7...  CC1P7105en 
Infrastructure & Cities Sector  7 Operation, indication, diagnostics  29.11.2011 
 
7  Operation, indication, diagnostics 
7.1 Operation 
 
7105z04/0707
nfo
 
The lockout reset button (info button) is the key operating element for 
resetting the burner control and for activating/deactivating the 
diagnostics functions. 
 
LED
7106z02e/0706
Red
Yellow
Green
 
The multicolor signal lamp is the key indicating element for visual 
diagnostics. 
 
Both lockout reset button and signal lamp are located in the control panel. 
 
There are 2 diagnostics choices: 
1.  Visual diagnostics: Indication of operating state or diagnostics of cause of fault 
2.  Diagnostics: Via BCI to AZL2... display and operating unit 
 
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. 
 
7.2  Indication of operating state 
 
During startup, state indication takes place according to the following table: 
 
Color code table for multicolor signal lamp  
State Color code Color 
Waiting time, other waiting states 
......................................... 
OFF 
Ignition phase, ignition controlled 
           
Blinking yellow 
Operation, flame o.k. 
.......................................... 
Green 
Operation, flame not o.k. 
          
Blinking green 
Extraneous light on burner startup 
          
Green-red 
Undervoltage 
          
Yellow-red 
Fault, alarm 
......................................... 
Red 
Error code output (see Error code 
table) 
    
Blinking red 
Interface diagnostics 
        
Red flicker light 
Heating request 
......................................... 
Yellow 
New program card 
           
Yellow-yellow-red
 
...... 
Steady on 
 
Red 
 
OFF 
 
Yellow 
 
 
Green 
 
Legend