Operation :
The lockout reset button (info button) (EK) is the key operating element
for resetting the burner control and for activating / deactivating the diagnostics
functions.
The multicolor signal lamp (LED) is the key indicating element for visual
diagnostics.
Both lockout reset button (EK) and signal lamp (LED) 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 internal display or 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.
Color code table for multicolor signal lamp (LED)
State
Waiting time (tw), other waiting states
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
Heating request
Key
Steady on
Led off
Led red
Led yellow
Led green
:
Color code
5
Color
OFF
Blinking yellow
Green
Blinking green
Green-red
Yellow-red
Red
Blinking red
Red flicker light
Yellow
Yellow