Skip to main content
Panel fault records

Fault records 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.

Want to test yourself? Try the free daily fault challenge.

24 matches for “loop open circuit”

Advanced MxPro 4

Loop Open Circuit

Source-checked

From the panel's own "View - Panel" diagnostic table: each loop's load is monitored 0mA-500mA; the panel reports Open Circuit when the reading falls outside that range in the open direction. Loop Load, V.Out and V.In…

View on the Advanced MxPro 4 page

Advanced MxPro 5

LOOP OPEN CIRCUIT

Source-checked

The loop current reading indicates an open-circuit state on the detection loop. From the official Advanced MxPro5 User Manual's Local Hardware diagnostic table (section 3.9.7.2, pp.22–23), which lists Open Circuit as…

View on the Advanced MxPro 5 page

Fike Safety Technology CIE-A-200

Loop not complete (loop +ve to -ve short circuit or +ve open circuit at initialisation)

Source-checked

Per the manual, if the system faces a loop +ve to -ve short circuit or a loop +ve open circuit during initialisation, initialisation fails at that point and a message of Loop not complete is displayed. Devices up to…

View on the Fike Safety Technology CIE-A-200 page

Fike Safety Technology Quadnet

Loop Open Circuit (random or recurrent)

Source-checked

Per the manual, if random or recurrent loop open circuit faults are reported, check the entire system for: loose connections; broken connectors (over-tightening can break the connector body and cause an intermittent…

View on the Fike Safety Technology Quadnet page

Fike Safety Technology Quadnet

Loop short or open circuit: isolators latched (important note)

Source-checked

Per the manual, if short circuit or open circuit faults occur on the loop wiring the panel detects them and indicates them with the yellow loop fault LED and logs them in the event logs. Adjacent devices open their…

View on the Fike Safety Technology Quadnet page

Hochiki HFP AP-1AS/2AS

Loop open circuit or short circuit (how the panel responds)

Source-checked

Per the manual, power is driven from the LOOP OUT terminals and returned to the LOOP IN terminals, where it is monitored for loop continuity. If the loop is open circuit (a cable fault, or a short circuit isolator…

View on the Hochiki HFP AP-1AS/2AS page

Notifier by Honeywell ID50 / ID60

LOOP OPEN CIRCUIT

Source-checked

Message shown on the ID50/ID60 panel. The manual's Appendix 3 gives the meaning as: The loop wiring has a disconnection. Action listed in the manual: Check the loop wiring connections at the panel. If these are good and…

View on the Notifier by Honeywell ID50 / ID60 page

Protec 6500

Loop Drive Open Circuit

Not yet verified

The loop has a break in its wiring. The fault threshold is set to 100Ω.

View on the Protec 6500 page

C-TEC ZFP

Open Circuit

Source-checked

The ZFP loop driver reports Open Circuit when it detects an open circuit on the addressable loop.

View on the C-TEC ZFP page

Advanced MxPro 5

LOOP SHORT CIRCUIT

Source-checked

The loop current reading indicates a short-circuit state on the detection loop. From the official Advanced MxPro5 User Manual's Local Hardware diagnostic table (section 3.9.7.2, pp.22–23), which lists this as one of the…

View on the Advanced MxPro 5 page

Fike Safety Technology CIE-A-400

Loop O/C

Source-checked

The CIE-A-400 has recorded an intermittent or recurrent open-circuit condition on an addressable loop.

View on the Fike Safety Technology CIE-A-400 page

Fike Safety Technology CIE-A-400

LP "X" OPEN CCT -VE CORE

Source-checked

The CIE-A-400 has identified an open circuit on the negative core of the indicated loop during initialisation.

View on the Fike Safety Technology CIE-A-400 page

Fike Safety Technology CIE-A-200

Addressable circuit: -ve open circuit

Source-checked

Per the manual, if the system faces a loop -ve open circuit during initialisation, initialisation does not fail at that point but continues to the end of the loop and all devices are operational (as long as no other…

View on the Fike Safety Technology CIE-A-200 page

Fike Safety Technology Quadnet

Addressable circuit: -ve open circuit

Source-checked

Per the manual, if the system faces a loop -ve open circuit during initialisation, initialisation continues to the end of the loop and all devices are operational (as long as no other faults exist). A message of…

View on the Fike Safety Technology Quadnet page

Notifier by Honeywell ID50 / ID60

INPUT OPEN CIRCUIT

Source-checked

Message shown on the ID50/ID60 panel. The manual's Appendix 3 gives the meaning as: Open-circuit wiring fault detected on the loop or on-board monitored input circuit. Action listed in the manual: Check wiring. Check…

View on the Notifier by Honeywell ID50 / ID60 page

Notifier by Honeywell ID50 / ID60

OUTPUT OPEN CIRCUIT

Source-checked

Message shown on the ID50/ID60 panel. The manual's Appendix 3 gives the meaning as: Open-circuit wiring fault detected on an on-board sounder or monitored loop output device. Action listed in the manual: Check wiring.…

View on the Notifier by Honeywell ID50 / ID60 page

C-TEC XFP

Locating loop open or short circuits: BLINK DETECTOR LEDS

Source-checked

Per the manual, this engineering function momentarily asserts the LED outputs of loop devices in one continual sweep, and is useful for locating open or short circuit faults on the loop wiring. LEDs are asserted step by…

View on the C-TEC XFP page

Advanced MxPro 5

LOOP LOAD TOO HIGH

Source-checked

The loop current reading is above the normal operating range — an overload condition on the detection loop. From the official Advanced MxPro5 User Manual's Local Hardware diagnostic table (section 3.9.7.2, pp.22–23),…

View on the Advanced MxPro 5 page

Notifier by Honeywell ID50 / ID60

ISOLATOR OPEN

Source-checked

Message shown on the ID50/ID60 panel. The manual's Appendix 3 gives the meaning as: Loop isolator is open circuit either by command from the panel or because of a loop fault. Action listed in the manual: Check if device…

View on the Notifier by Honeywell ID50 / ID60 page

Notifier by Honeywell ID50 / ID60

LOOP SUPERVISION FAULT

Source-checked

Message shown on the ID50/ID60 panel. The manual's Appendix 3 gives the meaning as: There is a problem with a loop device that has a fault monitored circuit such as a conventional detection zone. Action listed in the…

View on the Notifier by Honeywell ID50 / ID60 page

Nittan Evolution

Break in +ve wire (ISOLATOR FAULT)

Source-checked

The manual says the panel's loop isolator monitors the addressable loop for open and short circuit faults, reported as ISOLATOR FAULTS with a description. For a break in the positive wire, it says to locate the cable…

View on the Nittan Evolution page

Fike Safety Technology CIE-A-200

Device faults during initialisation

Source-checked

Per the manual, if the system detects a device fault or fire activation during initialisation, initialisation does not fail at that point. Beyond certain limits initialisation will fail and the various fault or fire…

View on the Fike Safety Technology CIE-A-200 page

Zeta Premier

LINE FAULT

Source-checked

LCD event text on the Zeta Premier AL. The manual's Appendix D describes it as: Open circuit fault detected in the loop cable. This may be due to an operation of short circuit isolators.

View on the Zeta Premier page

Zeta Premier

System fault (complete system failure)

Source-checked

Per the manual, in the event of a complete system failure a system fault is indicated: the SYSTEM FAULT and GENERAL FAULT LEDs illuminate and all other LEDs are extinguished; the internal buzzer sounds continuously; the…

View on the Zeta Premier page

Browse by manufacturer

49 panels

Got the panel in front of you? Look the fault up.

Search fault records by panel, each showing its review status and the source document where one is cited, and ask the assistant when a message is not listed. A free account needs no card and includes 5 assistant questions and 20 fault searches a day.