Riello ALU PRO power Series Instructions For The Installer And The Technical Assistance Centre page 68

TROUBLESHOOTING
FAULT
The heating unit performs
pre-ventilation and ignition cor-
rectly but shuts down after about
2 attempts
The burner shuts down during
pre-ventilation
The burner shuts down after
pre-ventilation because the
flame fails to ignite
The burner does not start with
adjustment
consent
68
TECHNICAL ASSISTANCE CENTRE
CAUSE
Flame not detected
No gas
Flue blocked
Flame detection error
The flame is already lit
Air intake obstructed
The valve group feeds
too little gas
Gas valve faulty
Irregular ignition or no electric
ignition arc
Air in the gas pipe
No electrical power
No gas supply
Electrical short circuit
SOLUTION
- Call the Technical Assistance
Centre
- Make sure gas tap is open
- Check the flue
- Call the Technical Assistance
Centre
- Call the Technical Assistance
Centre
- Check for blockage
- Check gas supply pressure
- Call the Technical Assistance
Centre
- Call the Technical Assistance
Centre
- Bleed the gas line
- Check for voltage at gas valve
terminals
- Check the condition of the
fuses
- Make sure the in-line tap is
open
- Call the Technical Assistance
Centre