34
UK
EQUIPMENT
M
LMO EQUIPMENT
The release pushbutton on the equipment is the main component for accessing all the diagno
-
stic functions (activation and deactivation) as well as for releasing the control and checking
device.
The release pushbutton has a multicoloured led which indicates the state of the control and
checking device during operation and when the diagnostic function is in use.
EQUIPMENT STATE INDICATORS
Description
Condition Colour sequence
Colour sequence
Standby, other intermediate states
No light
Fuel preheating “on”, waiting time 5s.max
Yellow
Ignition stage Yellow, flashing
Yellow, flashing
Correct operation
Green
Incorrect operation, current level of
flame detector below permitted minimum Green, flashing
Green, flashing
Drop in voltage
Alternating yellow red
Burner lock out
Red
Fault
Red, flashing
Stray light before burner ignition
Alternating green red
Rapid flashing for diagnostics
Red, rapid flashing
If the burner is locked out, there will be a steady red light on the lock out pushbutton.
By pressing the transparent pushbutton, the control and checking device will be released.
By pressing it for more than 3 seconds, the diagnosis stage will be activated (red light flashes rapidly).
The table below describes the causes of the lock out or fault in relation to the number of flashes (always
red). The diagnosis function is interrupted by pressing the release button for at least 3 seconds.
DIAGNOSIS OF LMO EQUIPMENT FAULTS AND LOCK OUT
Visual indication
Possible causes
2
flashes
No flame signal
- Faulty fuel valves
- Faulty flame detector
- Incorrect burner setting, no fuel
- No ignition
3
flashes
Not used
4
flashes
Stray light on ignition
5
flashes
Not used
6
flashes
Not used
7
flashes
No flame signal during operation
- Faulty fuel valves
- Faulty flame detector
- Incorrect burner setting, no fuel
8
flashes
Anomalies in fuel preheating time
9
flashes
Not used
10
flashes
Incorrect electrical connection or damage to equipment
Summary of Contents for ECO 15
Page 38: ...38 UK ...
Page 39: ...39 UK ...