Question 1

Appliance will not light (LPG)

Accepted Answer

Possible cause: No gas - check cylinder is turned on. Swap in a fresh cylinder, confirm it's turned on, and check the isolation valve is open.

Question 2

Appliance will not light (LPG)

Accepted Answer

Possible cause: Low battery (auto ignition). Charge battery

Question 3

Appliance lights but goes out immediately the FSD override is released

Accepted Answer

Possible cause: Flame supervision device (FSD) not functioning correctly. Refer to dealer

Question 4

Odour of gas

Accepted Answer

Possible cause: Gas leak. Cut the gas supply at the cylinder and hold off using the system again until it's fixed. Where it's safe, move a leaking cylinder well away from anything that could ignite it, then let the site warden and/or your local gas supplier know.

Question 5

Yellow flame

Accepted Answer

Possible cause: Not enough primary air is reaching the burner (a little yellow tipping on the flame is expected and not a fault).. Refer to dealer

Question 6

Orange flame

Accepted Answer

Possible cause: Dust or dirt particles in the mixing tube are being carried through the burner ports.. Cut down the level of dust in the surrounding air.

Question 7

Orange flame

Accepted Answer

Possible cause: Burner ports partially blocked. Refer to dealer

Question 8

Floating flame

Accepted Answer

Possible cause: Lack of secondary air. Make sure every vent is clear including the vehicle's air inlet, that the retention ports aren't blocked, and - on an oven - that the flue way is clear too.

Auto-Sleepers Gas Supply System

Master Troubleshooting & Diagnostics Matrix

Error Code / Indicator	Symptom / Meaning	Possible Cause	Step-by-Step DIY Fix	Suggested Actions
`N/A`	Appliance will not light (LPG)	No gas - check cylinder is turned on	Swap in a fresh cylinder, confirm it's turned on, and check the isolation valve is open.	DIY Safe
`N/A`	Appliance will not light (LPG)	Low battery (auto ignition)	Charge battery	DIY Safe
`N/A`	Appliance lights but goes out immediately the FSD override is released	Flame supervision device (FSD) not functioning correctly	Refer to dealer	Professional Intervention Required
`N/A`	Odour of gas	Gas leak	Cut the gas supply at the cylinder and hold off using the system again until it's fixed. Where it's safe, move a leaking cylinder well away from anything that could ignite it, then let the site warden and/or your local gas supplier know.	Professional Intervention Required
`N/A`	Yellow flame	Not enough primary air is reaching the burner (a little yellow tipping on the flame is expected and not a fault).	Refer to dealer	Professional Intervention Required
`N/A`	Orange flame	Dust or dirt particles in the mixing tube are being carried through the burner ports.	Cut down the level of dust in the surrounding air.	DIY Safe
`N/A`	Orange flame	Burner ports partially blocked	Refer to dealer	Professional Intervention Required
`N/A`	Floating flame	Lack of secondary air	Make sure every vent is clear including the vehicle's air inlet, that the retention ports aren't blocked, and - on an oven - that the flue way is clear too.	DIY Safe