Water pump runs on for more than 5-10 seconds after closing all taps

Possible cause: Possible leak in the system. Check the system immediately for leaks. Always switch off the pump at the control panel when leaving the vehicle.

Smoke alarm indicator light does not flash every minute

Possible cause: Battery is completely flat. Replace the battery immediately.

Smoke alarm emits a short beep once a minute

Possible cause: Battery is at the end of its life (low voltage warning). Replace the battery immediately.

Carbon monoxide detector emits a single audible chirp once per minute for up to 30 days

Possible cause: Incorrect sensor/circuitry settings or low batteries. Change the batteries in your detector. (Note: this chirp does not mean carbon monoxide has been detected).

Aerated water from a tap

Possible cause: Possible leak on the suction side of the pump. Check for a leak on the suction side of the pump.

Flame lifting away from the gas burner

Possible cause: Pressure is too high. Recheck the regulator, cylinders and pipes and adjust as necessary.

Yellow flame producing soot on gas appliance

Possible cause: Pressure is too low. Recheck the regulator, cylinders and pipes and adjust as necessary.

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Auto-Trail • F-Line • Motorhome Owner's Handbook

Auto-Trail F-Line Owner's Handbook (2026)

Official technical documentation and workshop diagnostics for Auto-Trail F-Line Owner's Handbook (2026).

Master Troubleshooting & Diagnostics Matrix

Error Code / Indicator	Symptom / Meaning	Step-by-Step DIY Fix	Suggested Actions
`N/A`	Water pump runs on for more than 5-10 seconds after closing all taps Possible Cause: Possible leak in the system	Check the system immediately for leaks. Always switch off the pump at the control panel when leaving the vehicle.	DIY Safe
`N/A`	Smoke alarm indicator light does not flash every minute Possible Cause: Battery is completely flat	Replace the battery immediately. Recommended PartAffiliate link Duracell Plus 9V Alkaline Battery (2 Pack) 6LR61~£6.50 for 2Amazon's Choice, 4.7★ (15,000+ ratings) View → Most caravan smoke alarms take a standard 9V battery like this one - worth a quick check against your own alarm before ordering, since a few models differ.	DIY Safe
`N/A`	Smoke alarm emits a short beep once a minute Possible Cause: Battery is at the end of its life (low voltage warning)	Replace the battery immediately. Recommended PartAffiliate link Duracell Plus 9V Alkaline Battery (2 Pack) 6LR61~£6.50 for 2Amazon's Choice, 4.7★ (15,000+ ratings) View → Most caravan smoke alarms take a standard 9V battery like this one - worth a quick check against your own alarm before ordering, since a few models differ.	DIY Safe
`N/A`	Carbon monoxide detector emits a single audible chirp once per minute for up to 30 days Possible Cause: Incorrect sensor/circuitry settings or low batteries	Change the batteries in your detector. (Note: this chirp does not mean carbon monoxide has been detected).	DIY Safe
`N/A`	Aerated water from a tap Possible Cause: Possible leak on the suction side of the pump	Check for a leak on the suction side of the pump.	DIY Safe
`N/A`	Flame lifting away from the gas burner Possible Cause: Pressure is too high	Recheck the regulator, cylinders and pipes and adjust as necessary.	DIY Safe
`N/A`	Yellow flame producing soot on gas appliance Possible Cause: Pressure is too low	Recheck the regulator, cylinders and pipes and adjust as necessary.	DIY Safe

Frequently Asked Questions

Q: How do I tune the Avtex smart television when switched on for the first time?

Press the direction arrows to select your on-screen display (OSD) language, then select 'Auto Search' and press the 'OK' button.

Q: How do I manually operate the electric drop-down bed if the leisure battery has insufficient voltage?

Insert a 13mm socket through the access hole in the base of the off-side locker and turn either clockwise or anti-clockwise depending on the direction of travel required.

Q: Which fuse or MCB protects which circuit, and what rating should I use to replace one?

Fuses on the PSU (fuses 2-10 have a red LED underneath that lights when blown; the charger fuse has a green LED indicating the charger is working): Fuse 1 (25A, white) - Charger; Fuse 2 (7.5A, brown) - Permanent 12V; Fuse 3 (10A, red) - 12V sockets; Fuse 4 (10A, red) - Appliances/Fans; Fuse 5 (15A, blue) - Compressor Fridge (when fitted); Fuse 6 (10A, red) - Pumps; Fuse 7 (10A, red) - Light Main & Dimmer 1; Fuse 8 (10A, red) - Light Main & Dimmer 2; Fuse 9 (5A, tan) - Awning/Entry Light; Fuse 10 (10A, red) - En Route/Electric Step (or Entry Light, depending on model); Fuses 11-13 (15A/7.5A/5A) - Spare; Fuse 14 (15A, blue) - Solar (rear fitting). Leisure battery fuses: Battery 1 and Battery 2 (30A, green, remotely located near the battery, Battery 2 where fitted). EM41 Interface Unit fuses: Fuse 1 - Spare; Fuse 2 (5A, tan) - Marker lights; Fuse 3 (20A, yellow) - Towbar +; Fuse 4 (20A, yellow) - Vehicle battery; Fuse 5 - Spare; Fuse 6 (20A, yellow) - Fridge +; Fuse 7 (20A, yellow) - Towbar D+; Fuse 8 (20A, yellow) - Fridge D+. MCBs: MCB 1 (10A) - 230V sockets; MCB 2 (16A) - Extra 230V sockets/heating system; MCB 3 (10A) - Fridge/separate water heater/charger/aircon. Always replace a fuse with one of the same rating - never a higher value, which could damage the wiring harness. If a replacement fuse keeps blowing, do not keep replacing it - investigate the underlying fault and contact your dealer.