LMO...CONTROL BOX
OPERATION, INDICATIONS, DIAGNOSTICS
RED
YELLOW
GREEN
The reset button «EK...» is the main element to access all diagnostic functions
(activation 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 (see technical sheet 7614).
Visual indication:
During operation, the control box status is indicated on the reset button. The table sums up the 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 (see data sheet 7614). Likewise, hold the reset button down for at least 3 seconds to deactivate the function (the switching will be
indicated by a flashing yellow light).
Command and control device status indication
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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Summary of Contents for BTL 3
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