DSC-BRAIN USER GUIDE · CONTENTS
Troubleshooting
Find your symptom below and open that page. Not sure which one it is? Start with the five-minute checklist.
If a Smoke detected, Gas detected or Carbon monoxide alert is showing, go to the room first. If a plug, cable or heater is hot to the touch, smells burnt or looks scorched, switch it off at the wall and unplug it before you look at anything on the dashboard. New to a term? See the Glossary.
● verified for 9.0.0 · corrected for 9.8.0 on 2026-09-30
● first mirrored 2026-09-15
● 76 pages · 9 sections
On this page
Start here
The dashboard, hub, sensors and appliances
- 02Cannot reach the dashboardThe dashboard will not load, or the address on the kit card does not work.
- 03Hub offline or not reportingHUB LINK DOWN, or the hub is not reporting. What the room does meanwhile.
- 04Probe dark or faultedA probe is grey or dark, or shows a channel fault.
- 05Plugs and appliances — not reporting, mismatch, ineffectiveA heater, humidifier, dehumidifier or heat mat is not reporting, is not running when it should, or an alert says mismatch or ineffective.
- 06Readings held or staleA value shows HELD or is not updating, or a sensor alert says stuck, rejected or disagreeing.
- 07Lamp and photoperiod surprisesThe lamp is on in the dark period, off inside its window, or came on by itself.
Zigbee, Tuya and camera problems
- 08Zigbee radio down or pairing failsRADIO DOWN or MQTT OFFLINE, or a Zigbee device will not pair.
- 09Tuya device will not connectA Tuya or SmartLife device is dead, or shows Err 901 or Err 914.
- 10Camera shows no frameThe camera shows no frame, or the frames are black.
Updates, load and known limits
- 11Updates and firmware jobs failAn update is refused, a firmware job or canary failed, or a device is stuck in the queue.
- 12Brain overloaded — slow dashboard, hub rebootingThe dashboard is slow, or the hub keeps rebooting or dropping its link.
- 13Known limitations and honest out-of-serviceThe kit says it cannot do something, or a tile reads out of service.
DSC-Brain user guide · edited on this site · Troubleshooting
