LMO...CONTROL BOX
OPERATION.
RED
YELLOW
GREEN
The reset button «EK...» is the main element to access all diagnostic functions (acti-
vation and deactivation), and serves to unlock the command and control device.
The multicoloured «LED» indicates the control box status during both operation and
diagnostics functions.
Both «LED» and «EK...» are positioned under the transparent button. Pressing this button, you can reset the control box.
Possibility of two diagnostic functions:
1. Visual indication directly on the reset button: operation and diagnostics of device status.
2. Diagnostics with interface: in this case the OCI400 connecting cable is necessary and it can be connected to a PC with ACS400 softwa-
re, or to gas analysers of different manufacturers
VISUAL INDICATION.
During operation, the command and control equipment phase is indicated on the reset button. The table lists all colour sequences and
their meaning. To activate the diagnostics function, hold the reset button down for at least 3 seconds. A quick red flashing indicates that
the function is active. Likewise, hold the reset button down for at least 3 seconds to deactivate the function (the switching will be indicated
with a flashing yellow light).
EK
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> 3 s
7101z03e0305
Operating position
PC interface/diagnostic
analyser
Colour code table
Diagnostics
Operating position
Condition
Colour sequence
Colours
Waiting condition, other intermediate statuses
. . . . . . . .
No light
Fuel oil preheating ON, waiting time 5 sec. max. (tw)
. . . . . . . . .Fixed
Steady yellow
Ignition phase
Intermittent yellow
Correct operation, current strength of flame detector above the mini-
mum allowed
Green
Incorrect operation, current strength of flame detector below the mini-
mum allowed
Intermittent green
Decrease in power supply voltage
Alternating Yellow
and Red
Burner in lock condition
Red
Fault indication (see colour legend)
Intermittent red
Extraneous light upon burner start-up
Alternating Green
and Red
Quick flashing for diagnostics
Quick flashing red
NO LIGHT.
RED. YELLOW.
GREEN.
ENGLISH
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