Fault codes by panel
Search fault records across 49 panels. Each record is labelled with its review status and, where one is cited, the source document and page it comes from.
Searches 608 records across 49 panels — 573 of them source-verified. Signed in, your dashboard fault search covers only the fully source-verified records, on any plan.
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30+ matches for “FC501”
FireClass FC501
24A Output
Shorted 24A Output
View on the FireClass FC501 pageFireClass FC501
24R Output
Shorted 24R Output
View on the FireClass FC501 pageFireClass FC501
Battery
The control panel's batteries charger is not working correctly
View on the FireClass FC501 pageFireClass FC501
DEFAULT DATA
The fire panel resets to default data
View on the FireClass FC501 pageFireClass FC501
Dirty level
Smoke detector only; the dirty threshold has been exceeded
View on the FireClass FC501 pageFireClass FC501
Display communication
Communication fault on display controller
View on the FireClass FC501 pageFireClass FC501
Earth
Leakage to earth
View on the FireClass FC501 pageFireClass FC501
FIRE SIGNAL FAULT
Both the CSG paths are down
View on the FireClass FC501 pageFireClass FC501
FIRE SIGNAL NOT ACK
The fire signal is not acknowledged from the central station. This fault is latched, per the source.
View on the FireClass FC501 pageFireClass FC501
Firmware main contr.
Checksum fault
View on the FireClass FC501 pageFireClass FC501
GATEWAY COMMUNICAT.
The CSG is installed but it is not communicating with the panel
View on the FireClass FC501 pageFireClass FC501
IP Communicator
Communication lost with IP controller
View on the FireClass FC501 pageFireClass FC501
IP receiver
Communication lost with IP receiver
View on the FireClass FC501 pageFireClass FC501
LOG Full
LOG fault
View on the FireClass FC501 pageFireClass FC501
Loop Communication
Communication loop fault controller
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Loop left short
Left side loop short
View on the FireClass FC501 pageFireClass FC501
Loop local short
Local short on loop controller
View on the FireClass FC501 pageFireClass FC501
Loop return open
Loop negative signal open
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Loop right short
Right side loop short
View on the FireClass FC501 pageFireClass FC501
Loop signal open
Loop positive signal open
View on the FireClass FC501 pageFireClass FC501
LOOP x NOISY
The devices on the loop x (= 1, 2 or 3) do not communicate properly with the panel; check the quality of wiring. This is a parameterised message covering any of the three loops, as printed in the source.
View on the FireClass FC501 pageFireClass FC501
Low battery
The control panel batteries are empty
View on the FireClass FC501 pageFireClass FC501
Mains fault
The control panel is not powered from the mains
View on the FireClass FC501 pageFireClass FC501
MFI x COMMUNIC.
The source names this fault message and gives only the applicable module/input numbering (x from 1 to 4); it states no cause, meaning, or remedy beyond that numbering. No cause is asserted here beyond what the source…
View on the FireClass FC501 pageFireClass FC501
MFI x INy SHORT
The source names this fault message and gives only the applicable module/input numbering (x from 1 to 4; y from 1 to 5); it states no cause, meaning, or remedy beyond that numbering. No cause is asserted here beyond…
View on the FireClass FC501 pageFireClass FC501
MFI x SERIAL CHANN.
The source names this fault message and gives only the applicable module/input numbering (x from 1 to 4); it states no cause, meaning, or remedy beyond that numbering. No cause is asserted here beyond what the source…
View on the FireClass FC501 pageFireClass FC501
No answer
Loop device does not answer
View on the FireClass FC501 pageFireClass FC501
Not programmed dev
Loop device without address
View on the FireClass FC501 pageFireClass FC501
Open circuit
Open circuit on input module
View on the FireClass FC501 pageFireClass FC501
Power supply
Main fault
View on the FireClass FC501 page