Auto-Trail • Grande Frontier • Motorhome Owner's Handbook

Auto-Trail Grande Frontier Owner's Handbook (2026)

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

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningStep-by-Step DIY FixSuggested Actions
N/A
Gas burner does not light within fifteen seconds (Hob/Grill/Oven)
Turn the control knob back to the O position and release it. Wait at least one minute and repeat the ignition steps.DIY Safe
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
Aerated water from a tap
Possible Cause: Leak on the suction side of the pump
Inspect the suction side of the pump for leaks and rectify.DIY Safe
N/A
Flame lifting away from the gas burner
Possible Cause: Gas 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: Gas pressure is too low
Recheck the regulator, cylinders and pipes and adjust as necessary.DIY Safe
Operational Fault
Red LED below fuses (fuses 2-10) on the PSU is illuminated
Possible Cause: Blown fuse
Investigate the fault and replace with a fuse of the correct rating/value. Do not keep replacing the fuse if it blows repeatedly; contact your dealer.DIY Check / Tech Fallback

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 enable Silent Mode on the PX310 battery charger?

Press and hold the charger button for 3 seconds. Output will be limited to 5A, and silent mode will exit automatically if the charger is switched off and on, or after 12 hours.