Maintenance/Presignalmaintenance
Fire-Lite MS-9200UDLS: Maintenance/Presignal
Fire-Lite MS-9200UDLS·1 view·0 field notes
What This Code Means
A device requires maintenance or a presignal delay is active.
Common Causes
- 1Dirty smoke detector
- 2Presignal timer running
Resolution Steps
Clean the affected smoke detector or wait for the presignal timer to expire.