Mains failed
Control panel mains supply failure
The fire alarm control panel has detected loss of its mains power supply.
What this code means
The fire alarm control panel has detected loss of its mains power supply.
Possible causes
- Mains supply interruption
- Local isolator switched off
- Fuse or protective device failure
- Supply wiring fault
Common symptoms
- Mains failed message
- Fault indication
- Power fault indication
Checks to make
- Confirm whether the building supply is present
- Check the local fire alarm supply and protective device in accordance with site procedures
- Restore the mains supply if the cause is known and safe to correct
- Escalate to the servicing organisation if the fault remains
Safety
- Fire alarm systems are life-safety systems. Do not isolate, alter or work on mains wiring unless authorised and competent. Maintain fire safety arrangements while the system is impaired.
Model notes
Gent describes this message as mains supply failure to the control panel.