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Operation, indication, diagnostics
Operation
Operational status
indication
Legend
Building Technologies
HVAC Products
Lockout reset button «EK...» is the key operating element for resetting
EK
the burner control and for activating / deactivating the diagnostics func-
tions.
Red
The multicolor signal lamp (LED) in the lockout reset button is the key
Yellow
indicating element for visual diagnostics and interface diagnostics.
Green
LED
Both «EK...» and LED are located under the transparent cover of the lockout reset button.
There are 3 diagnostics choices:
1.
Visual diagnostics: Operational status indication or diagnostics of the cause of fault
2.
Interface diagnostics: With the help of the OCI400 / OCI410 interface adapter and the
ACS410 PC software or flue gas analyzers of different makes
3.
On the display of the AZL2...
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
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
...... Steady on
Off
Color code
.........................................
..........................................
.........................................
Red
Yellow
Green
Color
Off
Flashing yellow
Green
Flashing green
Green-red
Yellow-red
Red
Flashing red
Red flicker light
13/17
CC1N7106en
20.02.2008
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