Question 1

Appliance will not light (LPG)

Accepted Answer

Possible cause: No gas. Check isolation tap is open

Question 2

Appliance will not light (LPG)

Accepted Answer

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

Question 3

The appliance lights but goes straight out again as soon as 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 off at the cylinder and hold off using the system until the fault's resolved. Air the vehicle out by opening doors and windows so any escaped gas can clear, and let the site warden and/or your local gas supplier know if a cylinder looks like it's leaking.

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 has collected in the mixing tube and is reaching 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 (the vehicle's air inlet included); for an oven, also check the flue way isn't blocked.

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 isolation tap is open	DIY Safe
`N/A`	Appliance will not light (LPG)	Low battery (auto ignition)	Charge battery	DIY Safe
`N/A`	The appliance lights but goes straight out again as soon as 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 off at the cylinder and hold off using the system until the fault's resolved. Air the vehicle out by opening doors and windows so any escaped gas can clear, and let the site warden and/or your local gas supplier know if a cylinder looks like it's leaking.	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 has collected in the mixing tube and is reaching 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 (the vehicle's air inlet included); for an oven, also check the flue way isn't blocked.	DIY Safe