Lamborghini Caloreclima LMB TWIN 600, Installation, Use And Maintenance Manual

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LME EQUIPMENT
M
The equipment unblocking button is the main element for accessing all diagnostic functions (activation and deac-
tivation), as well as to unblock the control and command device.
The unblocking button is equipped with a multi-colour LED light that indicates the status of the command and
control device during operation and during the diagnostic function.
INDICATIONS OF THE EQUIPMENT STATUS
Summary table
If the burner operation is interrupted, the red light in the interruption button will be on.
The command and control device will be unblocked by pressing on the transparent button.
Press for more than 3 seconds and the diagnostic phase will be activated (fast flashing red light). The table below
gives the causes for the interruption or malfunction depending on the number of flashes (always red in colour).
The diagnostic function will be interrupted by pressing on the unblocking button for at least 3 seconds.
DIAGNOSIS OF THE CAUSES OF FAILURE AND INTERRUPTION TO LME EQUIPMENT
Condition Colour sequence
Waiting condition, other intermediate states No light
Ignition phase Flashing yellow light
Correct operation Green light
Incorrect operation, current intensity flame detector less
than minimum allowed
Green flashing light
Decrease in power supply voltage Alternating red and yellow lights
Burner operation interrupted Red light
Fault signal see table Flashing red light
Stray light before burner ignition Alternating red and green lights
Fast flashing for diagnostics Fast flashing red light
Summary of operating anomalies
Optical indication Possible causes
2 flashes The absence of the flame signal
- Malfunctioning fuel valves
- Malfunctioning flame detector
- Defects in the calibration of the burner, no fuel
- Failure to ignite
3 flashes - Malfunctioning air pressure switch
- Loss of air pressure signal after T10
- Air pressure switch contact open
4 flashes Light extraneous to ignition
5 flashes The air pressure switch does not switch
- The air pressure switch is blocked in working position
6 flashes Free
7 flashes The absence of the flame signal during operation
- Malfunctioning fuel valves
- Malfunctioning flame detector
- Defects in the calibration of the burner, no fuel
8 flashes Free
9 flashes Free
10 flashes Errors in the electrical connection or damage to the equipment
14 flashes Thermostat line open