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15
Troubleshooting
SIT 630 Eurosit Valve (‘M’ Series)
With proper installation and maintenance, your new Gas Appliance should provide years of trouble-free service. If you
do experience a problem, this guide will help a CERTIFIED SERVICE PERSON in the diagnosis of problems and the
corrective action to take.
1. Pilot will not light with
piezo ignitor or match.
2. Pilot will not stay lit
after carefully fol-
lowing the lighting
instructions.
3. No gas to main burn
-
er with pilot flame
burning and valve
turned to ‘High-Low’
range.
A. Main shutoff valve closed.
B. Air in the gas line.
C. Pilot orifice plugged, not
letting gas flow.
D. No gas supply to the
fireplace.
A. Defective thermocouple.
B. Thermocouple fitting not
tight in valve.
C. Weak pilot flame.
D. Defective valve.
E. Not enough oxygen in the
room. (Danger!)
A. Plugged main burner ori
-
fice.
B. Defective valve.
1. Make sure that the shutoff valve located on the pipe
supplying gas to the fireplace is open.
1. Light a match, turn gas valve knob to ‘PILOT’ position
and depress. Keep match near pilot burner till it lights.
1. Replace the burner assembly.
1. Check plumbing to see if gas fireplace has been hooked
up to the gas supply line.
2. Propane tank is empty.
1. Replace burner assembly.
1. Carefully tighten the fitting.
1. The pilot flame must engulf the thermocouple. Clean
for maximum flame impingement on the thermocouple.
(Fig. 12)
1. Replace the burner assembly.
1. Open the door and get fresh air
at once!
1. Replace the burner assembly.
1. Replace the burner assembly.
SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION