Fault Finding Guide - Yunca Gas jervois Operation, Maintenance And Warranty Manual

Fault Finding:
SYMPTOM
Pilot Will Not
Light.
19-07-05
PROBLEM
No spark at pilot burner.
Spark gap is incorrect.
No gas at pilot burner
No Supply Gas.
Page 15 of 20
CORRECTIVE
Check connection between electrode in
pilot assembly and lead from control.
Press connection hard together.
Replace the pilot assembly if ceramic
insulator is cracked or broken
Spark gap should be 3-4mm between
the electrode tip and the pilot flame
hood.
Check that isolating valves are turned
on and gas is available.
Check pilot hood for blockage
Remove pilot jet and blow clean. The
jet is located inside the base of the
pilot burner and is removed by
disconnecting the gas to the pilot and
removing the brass nut from the base
of the burner. Jet will fall out.
Check for any obstructions in the gas
line that may cause low pressure or
restrict flow.
Purge gas lines.
L.P.G. -- Refill tank
Natural -- Check with gas supplier.
Operation Instructions for Jervois Freestanding Gas Heater March 2002