Auto-Sleepers • Campervan • Electrical System
Campervan models: Symbol, Symbol Plus, Warwick Duo, Fairford, Fairford Plus, Kemerton XL, Kingham, Warwick XL

Auto-Sleepers Electrical System

(Campervan, 2021 Model Year)

View official manual on manufacturer's site ↗

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
Habitation 12V does not operate
Main 20A fuse blown
Check/Replace
DIY Safe
N/A
Habitation 12V does not operate
Battery discharged
Recharge
DIY Safe
N/A
Habitation 12V does not operate
Control panel switched off
Switch to on
DIY Safe
N/A
Habitation 12V does not operate
Vehicle ignition left 'on'
Switch 'off' ignition
DIY Safe
N/A
Habitation battery not charging
Main 20A fuse blown
Check/Replace
DIY Safe
N/A
Habitation battery not charging
Relay fault
Refer to dealer
Professional Intervention Required
N/A
Habitation battery not charging
Contacts dirty/loose on battery terminals
Clean and check for tightness
DIY Safe
N/A
The battery won't hold its charge.
Failed battery
Have it electrically tested, and replaced if that test fails it.
DIY Check / Tech Fallback
N/A
The battery won't hold its charge.
Current being drawn
Make sure every appliance is switched off whenever it isn't in use.
DIY Safe
N/A
The battery discharges quickly while appliances are running.
Poor battery cell condition
Electrically test battery
DIY Check / Tech Fallback
N/A
The battery discharges quickly while appliances are running.
Failed battery
Change battery
DIY Safe
N/A
The battery discharges quickly while appliances are running.
Battery not fully charged
Fully recharge battery
DIY Safe
N/A
One or more 12V appliances have no power reaching them.
Circuit fuse blown
Track down the fault and fit a replacement fuse of the identical rating.
DIY Safe
Recommended partsAffiliate linksView 2 optionsHide

Check whether the blown fuse is a standard or a mini blade fuse (mini ones are roughly half the size), then choose the matching kit:

This fault doesn't say which fuse rating has blown, only to replace it like-for-like. Both kits cover the common ratings (5A-30A) - match the rating printed on the blown fuse.

Standard blade fusesCar Fuse Kit - 60pc Assorted Blade Fuses (5A-30A) with Storage Case and Fuse Puller~£5.994.5★ (1,500+ ratings), sold by KANGRUI, dispatched by Amazon - includes 15A blade fuses plus a puller and storage case
View on Amazon →
Mini blade fusesNilight 120pc Mini Blade Fuse Assortment (5A-30A, ATM/APM) with Fuse Puller~£5.244.5★ (2,500+ ratings), sold by Amazon - includes 15A mini blade fuses
View on Amazon →
N/A
The 12V socket outlet has no power reaching it.
Fuse blown
Track down the fault and fit a replacement fuse of the identical rating.
DIY Safe
Recommended partsAffiliate linksView 2 optionsHide

Check whether the blown fuse is a standard or a mini blade fuse (mini ones are roughly half the size), then choose the matching kit:

This fault doesn't say which fuse rating has blown, only to replace it like-for-like. Both kits cover the common ratings (5A-30A) - match the rating printed on the blown fuse.

Standard blade fusesCar Fuse Kit - 60pc Assorted Blade Fuses (5A-30A) with Storage Case and Fuse Puller~£5.994.5★ (1,500+ ratings), sold by KANGRUI, dispatched by Amazon - includes 15A blade fuses plus a puller and storage case
View on Amazon →
Mini blade fusesNilight 120pc Mini Blade Fuse Assortment (5A-30A, ATM/APM) with Fuse Puller~£5.244.5★ (2,500+ ratings), sold by Amazon - includes 15A mini blade fuses
View on Amazon →
N/A
230V system inoperative
No site power
Check site supply
DIY Safe
N/A
230V system inoperative
RCD/MCB switches tripped out
Reset circuit breakers
DIY Safe
N/A
RCD/MCB keeps tripping out
Fault on 230V supply
Refer to dealer
Professional Intervention Required
N/A
RCD/MCB keeps tripping out
Faulty appliance
Turn off all appliances, isolate the faulty appliance, refer to dealer
DIY Check / Tech Fallback
N/A
RCD/MCB keeps tripping out
An appliance is drawing more current than the 10A supply can provide.
Refer to dealer
Professional Intervention Required