Auto-Trail • V-Line SE • Motorhome Owner's Handbook

Auto-Trail V-Line SE Owner's Handbook (2026)

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

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningStep-by-Step DIY FixSuggested Actions
Operational Fault
Smoke alarm emits a short beep once a minute
Possible Cause: The battery is at the end of its life (low voltage warning lasting for approximately seven days).
Replace the battery immediately.DIY Safe
Operational Fault
Smoke alarm LED indicator does not flash every minute
Possible Cause: The battery is completely flat.
Replace the battery immediately.DIY Safe
Operational Fault
Carbon monoxide detector emits a single audible chirp once per minute for up to 30 days
Possible Cause: Settings of the sensor and circuitry are incorrect or the batteries have become low.
Check/replace batteries or unit if required.DIY Safe
Operational Fault
Gas appliance flame lifting away from the burner
Possible Cause: Pressure is too high.
Recheck the regulator, cylinders and pipes and adjust as necessary.DIY Safe
Yellow flame
Gas appliance producing a yellow flame causing soot
Possible Cause: Pressure is too low.
Recheck the regulator, cylinders and pipes and adjust as necessary.DIY Safe
Aerated water
Aerated water coming from a tap
Possible Cause: Possible leak on the suction side of the pump.
Check the water system for leaks on the suction side of the pump.DIY Safe
Red LED below fuse
Red LED below fuses (2-9) on the PSU is illuminated
Possible Cause: The respective fuse has blown while the circuit was active.
Investigate the fault, then replace the blown fuse with a new one of the exact same amperage rating. Never use a higher rating.DIY Safe

Frequently Asked Questions

Q: How do I tune the Avtex 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 activate silent mode on the Sargent PX310 battery charger?

Press and hold the button for 3 seconds to enable silent mode, which reduces fan noise overnight by limiting output to 5A.