Question 1

Appliance will not light

Accepted Answer

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

Question 2

Appliance will not light

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) is not functioning correctly. Refer to dealer

Question 4

Odour

Accepted Answer

Possible cause: Gas leak. Shut down the gas supply at the cylinder without delay, and leave the system alone until it's been properly fixed. Should a cylinder appear to be leaking, relocate it - if it's safe to do so - well clear of anything that could ignite it, then get in touch with the site warden and/or your local gas supplier.

Question 5

Yellow flame

Accepted Answer

Possible cause: There isn't enough primary air reaching the burner - note that a little yellow tipping on the flame is normal 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.. Reduce 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.

Question 9

Floating flame

Accepted Answer

Possible cause: Blocked retention ports. Make sure the retention ports aren't blocked; on an oven, also confirm the flue way isn't obstructed.

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	No gas	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	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) is not functioning correctly	Refer to dealer	Professional Intervention Required
`N/A`	Odour	Gas leak	Shut down the gas supply at the cylinder without delay, and leave the system alone until it's been properly fixed. Should a cylinder appear to be leaking, relocate it - if it's safe to do so - well clear of anything that could ignite it, then get in touch with the site warden and/or your local gas supplier.	Professional Intervention Required
`N/A`	Yellow flame	There isn't enough primary air reaching the burner - note that a little yellow tipping on the flame is normal 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.	Reduce 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.	DIY Safe
`N/A`	Floating flame	Blocked retention ports	Make sure the retention ports aren't blocked; on an oven, also confirm the flue way isn't obstructed.	DIY Safe