Clarke CONTRACTOR GRH30 Manual de Instruções de Operação e Manutenção - Página 12
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TROUBLESHOOTING
Fault
Burner fails to light
No gas flow to the
burner.
Heater stops
during operation.
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
Cause
1.Gas supply valve
closed.
2.Excess gas flow
3.Piezo ignition not
sparking.
4.Defective
thermocouple
1.Bottle gas valve
closed.
2.Bottle is empty.
3.Nozzle is obstructed.
4.Gas leaks from the
supply hose or from tap.
5.Low gas pressure.
6.Control valve needs
to be replaced.
7.Loose wire on tip over
switch.
8. Loose or broken wire.
9.Loose/mis-located
thermocouple.
10.Defective thermo
-couple.
11.Defective control valve
1.Excessive gas supply.
2.Insufficient gas supply
due to ice formation on
the bottle.
3.The tip-over switch has
tripped.
Remedy
1.Open gas supply valve
slowly
2.Close propane supply valve
at propane bottle and re-
open slowly.
3.Check wire lead for
damage. Replace igniter
assembly. Do not bend the
electrode as this
may cause breakage.
4.Replace thermocouple
1.Open the gas valve slowly
2.Replace bottle.
3.Remove & clean the nozzle.
4.Use soapy water to find the
leak and repair.
5.Check for proper gas supply.
6.Replace control valve.
7.Tighten wires on switch.
8.Tighten or repair wire.
9.Tighten thermocouple.
Make sure that thermo-
couple is located correctly.
10.Replace thermocouple.
11.Replace the control valve.
1.Check the pressure regulator
and replace if necessary.
2.Check & use a larger
bottle, or two or more in
parallel.
3.Heater has fallen over. Right
it. Take steps to prevent
re-occurrence.
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