thermo mate GHAF302 Bref Instructions page 26

PROBLEM
No spark when gas
control knob depressed.
Burner not lighting when
spark ignition working.
Burner goes out when
control knob released.
Uneven flame pattern or
slight flame lifting.
At minimum flame setting
the flame is too high.
Small flame on High
setting.
Flame too high on High
setting.
Flame tips are very
yellow
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25
support@thermomate.com
POSSIBLE CAUSES
No power.
Loose sparker cable.
Burner not aligned properly.
Gas supply off.
Gas regulator installation
direction faulty.
Installed a high pressure
gas regulator.
Burner not aligned properly.
Burner ports blocked.
Flame safeguard not
activated.
Flame safeguard faulty
connection or broken.
Burner ports blocked or
burner dislocation.
Turndown control setting
incorrect.
Regulator faulty.
Gas supply pressure low.
Incorrect injector fitted.
Blocked injector or gas
supply tube.
Incorrect utensil size.
Regulator faulty(Gas
pressure is too high).
Incorrect injector fitted.
Incorrect utensil size.
Incorrect gas supply type or
incorrect gas regulator.
WHAT TO DO
Check plugged in and switched
on. Check mains circuit breaker.
Check the spark cable if loose.
Remove and re-fit burner.
Check gas supply valve on.
Reverse the direction to reinstall.
Replace a correct pressure gas
regulator.
Remove and re-fit burner.
Re-light, allow more time for
flame safeguard to activate.
Check the thermocouple cable
connection if loosen or broken.
Remove, clean and replace
burner. Reassemble the burner.
Adjust the minimum screw.
Choose a correct regulator.
Check the gas supply if run out.
Check the injector if correct.
Check the the injector and gas
supply tube if blocked.
Choose a suitable utensil.
Choose a correct specification
gas regulator(out let pressure)
Check injector if correct and
replace it.
Choose a suitable utensil.
Check the gas supply type and
gas regulator if correct.