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Building Technologies
CC1N7106en
HVAC Products
20.02.2008
Operation, indication, diagnostics
EK
7106z
01/
0405
Lockout reset button «EK...» is the key operating element for resetting
the burner control and for activating / deactivating the diagnostics func-
tions.
LED
710
6
z
0
2
e/070
6
Red
Yellow
Green
The multicolor signal lamp (LED) in the lockout reset button is the key
indicating element for visual diagnostics and interface diagnostics.
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 Color
code
Color
Waiting time «tw», other waiting states
.........................................
Off
Ignition phase, ignition controlled
z
z
z
z
z
z
Flashing yellow
Operation, flame o.k.
..........................................
Green
Operation, flame not o.k.
Flashing green
Extraneous light on burner startup
S
S
S
S
S
Green-red
Undervoltage
z
S
z
S
z
S
z
S
z
S
Yellow-red
Fault, alarm
S
.........................................
Red
Error code output (refer to «Error code
table»)
S
S
S
S
Flashing red
Interface diagnostics
S
S
S
S
S
S
S
S
Red flicker light
......
Steady on
S
Red
Off
z
Yellow
Green
Operation
Operational status
indication
Legend
