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During normal operation, the various operating statuses are indicated in the form of colour codes, as
shown in the colour coding table below. During start-up, the status is indicated in the table on the next
page.
Colour coding table for the multicolour signalling lamp (LED)
Status:
Delay time <<tw>>, other waiting statuses
Ignition phase, controlled ignition
In operation, flame present
In operation, poor flame signal
Undervoltage
Failure alarm
Error code export (see <<error code table>>)
Interface diagnosis
.......
Legend:
Continuously lit
▲
Red
o
Off
●
Yellow
□
Green
7.3
Burner relay malfunction indicator
After the appliance has frozen, the red error signalling lamp on the top of the box will remain lit
continuously. In this situation, the visual diagnosis of the cause of the malfunction according to the
error code table can be activated by holding down the reset button for 3 seconds. If the reset button is
pressed once more for at least 3 seconds, the interface diagnosis is activated. Should the interface
diagnosis be activated accidentally, in which case the faint red light of the signal lamp will flicker, this
can be deactivated by pressing the reset button once more for at least 3 seconds. The changeover is
indicated by a yellow pulsing light.
Red blink code of
signal lamp (LED)
2 blinks
● ●
4 blinks
● ● ● ●
7 blinks
● ● ● ● ● ● ●
10 blinks
● ● ● ● ● ● ● ● ● ●
Legend:
AL
Alarm Device
TSA
Safety time for ignition
Error code table
«AL» at term. 10
Possible cause
On
No establishment of flame at the end of «TSA»
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
On
Extraneous light on burner startup
On
Too many losses of flame during operation
(limitation of the number of repetitions)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
Off
Wiring fault or internal fault, output contacts, other
faults
V16 HHO SERIES
Colour code:
o..............................
● o ● o ● o ● o ● o
□.............................
□ o □ o □ o □ o □ o
● ▲ ● ▲ ● ▲ ● ▲ ●
▲.............................
▲ o ▲ o ▲ o ▲ o
▲ ▲ ▲ ▲ ▲ ▲▲
Colour:
Off
Flashing yellow
Green
Flashing green
Yellow - red
Red
Flashing red
Red flickering
light
35
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