Table of Contents
Advertisement
Pilot will not stay lit
Soot is being
deposited on logs or
glass
Main burners
extinguishing.
Pilot burning, no gas
to burners
16-02-05
Weak or improperly
located pilot flame.
Thermocouple
not
properly connected.
Defective Flame Rod.
Faulty control.
Log impinging the
flames
There is insufficient
secondary air in the
combustion chamber.
Flueway blocked
LPG gas mix incorrect
Flame Height very large
or very low.
Flue down draughting.
Pilot flame is not large
enough.
Severe down draught.
Burner injectors may be
blocked.
Faulty control
Page 16 of 19
Adjust the height of Flame Rod. The
flame should engulf the top 6mm of the
thermocouple.
Check connections
Replace Flame Rod.
A new thermocouple may be ordered
through your YUNCA agent.
Replace 845 Sigma Control Valve and/or
Replace Electronic Controller Assembly
Re-position logs back against the stops
Remove any protruding point on the log.
Check the back of the heater for blockages
around the air intake slots.
Check that the clearances around the
heater match those stated in this manual.
Remove blockage.
Contact supplier to clean out bottle
Use remote and Ramp up or down.
Incorrect gas pressures. Check and set gas
pressure to manufacturers specifications.
A vacuum in the room causes this.
Turn off heater. Turn off all air
conditioners, expelair fans, other heaters
etc. Open doors and windows to allow
pressure to equalise. Re-light heater.
Close doors and windows but not
completely.
Check that pilot assembly is correctly
mounted and that the pilot burner flame
hood directs the pilot flame over both
burners and the Flame Rod
Ensure a recommended flue cowl has been
fitted and is still in place.
Clean out injector orifice.
Electronic Control Valve or Controller
requires replacement.
Operation Instructions for Electronic InBuilt
EIB 2002
Advertisement
Table of Contents
