Possible cause: A fuse (or fuses) has blown. Replace with the correct-rated fuse, per the fuse table.

Possible cause: Lights turned off. Switch the lights back on using the lights button at the control panel, adjusting the dimmer there if you need to.

Auto-Sleepers • Symbol Plus • Lighting

Auto-Sleepers Lighting

(Symbol Plus, 2019 Model Year)

Master Troubleshooting & Diagnostics Matrix

Error Code / Indicator	Symptom / Meaning	Possible Cause	Step-by-Step DIY Fix	Suggested Actions
`N/A`	Lights not working	A fuse (or fuses) has blown	Replace with the correct-rated fuse, per the fuse table.	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`	Lights not working	Lights turned off	Switch the lights back on using the lights button at the control panel, adjusting the dimmer there if you need to.	DIY Safe