Joannes GAS 5 Manual De Uso Y Mantenimiento página 73

Operating principles
Flame control device in lockout
- Red lockout warning light on
Flame control device working
- green "flame present" indicator light on
Fault diagnosis
Lit "red"
LMG 25 CONTROL BOX
After a lockout the red warning light is on constantly. Fault diagnosis is effected
by using the blink code information in the following table:
Press lockout button
Lit phase
Error code table
Number of blinks Possible cause
2 x No flame present at the end of "TSA"
•• • Ionisation electrode dirty
• Fuel valve faulty
• Gas filter clogged
3 x The air pressure switch fails to close
••• (working position)
• Air pressure switch contact deteriorated
• Fan not working
• SQN actuator malfunctioning
4 x The air pressure switch fails to open
•••• • Fault
• "LP" calibration too sensitive
5 x Extraneous light
•••••
7 x No flame during operation
••••••• • Non-optimum burner calibration (low flame)
• Fault or obstruction on fuel valve
Reset
- Press the reset button for 0.5...3 seconds
Fault diagnosis
- wait > 10 seconds
- Press reset button for > 3 seconds
- Count the number of blinks on the red warning
light and consult the "Error codes table"
Repetition of start-up cycle
- Press the reset button for 0.5...3 seconds
Reading of flame stabilisation time
- Press reset button for > 3 seconds
- Count the number of blinks on the green indicator
light and consult the "Diagnostics table"
for > 3 s.
Refer to
"Diagnostics table"
32
Approx.
Refer to
3 s.
"Diagnostics table"
GB