TECHNICAL ASSISTANCE SERVICE
68
CAUSE
SOLUTION
FAULT
Flame not detected
No gas supply
The burner performs pre-ven-
tilation and ignition correctly
but shuts down after about 5
attempts
- Call Technical Assistance
- Make sure gas shut-off cock is
open
Flue blocked
- Check flue
Flame detection error
- Call Technical Assistance
The flame is already lit
- Call Technical Assistance
Air intake obstructed
- Check for blockage
The burner shuts down during
pre-ventilation
Gas valve feeds too little gas
Gas valve faulty
Weak or no ignition arc
- Check gas supply pressure
- Call Technical Assistance
- Call Technical Assistance
Air in gas line
- Bleed the gas feed circuit
The burner shuts down after pre-
ventilation because the flame
fails to ignite
No electrical power
- Check voltage at gas valve ter-
minals
- Check the condition of the
fuses
No gas supply
- Make sure gas shut-off cock is
open
Electrical short circuit
- Call Technical Assistance
The burner does not start when
it receives the
control signal
TROUBLESHOOTING
Содержание TAU 150 UNIT
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