Kentec Syncro ASM – Stuck Fire Alarm + Network / Battery Faults After Power & Battery Disconnect Sequence

[Okay47]

Hello everyone,

I’m working with two Kentec Syncro ASM analogue addressable marine fire panels that are networked together. I’ve run into a problem with a stuck fire alarm on one panel and network/battery faults on both panels after a power/battery sequence. Here is the full situation:

 

 

---

 

Chronology

 

1. A detector activated a fire alarm. The detector later returned to normal, but the fire alarm stayed latched on Panel A, while Panel B showed no fire.

 

 

2. Pressing RESET on both panels did nothing — the fire event remained stuck on Panel A.

 

 

3. To try clearing the alarm, the following steps were taken:

 

Batteries on Panel A were disconnected while AC power was still present.

 

Then AC power was switched off for both panels.

 

AC power was restored.

 

Afterwards, the batteries were reconnected to Panel A.

 

 

 

4. After this sequence:

 

Panel A still shows the same stuck fire alarm even though the detector is normal.

 

Panel B now shows Battery Missing, even though its batteries are physically connected.

 

Both panels show General Fault and Power Fault.

 

RESET still has no effect.

 

 

 

 

No configuration changes were made. No engineer-level tools (Loop Explorer) were used. This is purely the result of the power/battery sequence.

 

 

---

 

What I need help with

 

1. What is the correct and safe recovery procedure to:

 

clear a stuck fire event on one Syncro ASM panel, and

 

re-synchronize the network between two panels after a mixed battery/AC power interruption?

 

 

 

2. Is the “Battery Missing” on Panel B likely caused by an actual power issue, or can it be triggered by a network desync between two ASM panels?

 

 

3. Are there steps that can be performed without engineer-level access, using only:

 

front panel controls,

 

power cycling,

 

battery reconnection

— to restore both panels to normal?

 

 

 

4. If anyone has experience with marine Syncro ASM units, please let me know if this behaviour is typical when one panel loses battery power while the other remains active.

 

 

 

 

---

 

I can provide photos

 

I can post photos of:

 

both LCD screens,

 

all LEDs,

 

network card LEDs,

 

battery compartments,

 

exact fault messages.

 

 

Just let me know what would be most helpful.

 

 

---

 

Thanks in advance for any advice.

This system is currently not clearing the fire alarm and both panels

are showing faults, so any guidance on a proper recovery sequence would be greatly appreciated.

[MrHappy]

enable controls - (code of key)

 

press silence alarm

press reset 

 

?

[Okay47]

7 hours ago, MrHappy said:

enable controls - (code of key)

 

press silence alarm

press reset 

 

?

When I press the silence alarm, the sound signal disappears, but not the alarm itself. Pressing reset doesn't change anything; the alarms remain active.

[james.wilson]

Don't know the panel bit of you create another alarm on a different head / cp does it clear then? 

[MrHappy]

3 hours ago, Okay47 said:

When I press the silence alarm, the sound signal disappears, but not the alarm itself. Pressing reset doesn't change anything; the alarms remain active.

`

You have to silence the alarm to stop it sounding then press reset (note the buttons don't work until the key is turned or the code entered)

 

All the lights on the panel light upto & it should be silent & fault free....

 

If if goes straight back into alarm silence the alarm & go & check the device

 

If the worse comes to the worse remove you can disable devices from the panel, this will shown a disablement fault on all panels

 

Powering down addressable alarms is not a good idea, your much more likely to end up with more issues. than you started

 

Is this a ship ?

[al-yeti]

11 hours ago, MrHappy said:

enable controls - (code of key)

 

press silence alarm

press reset 

 

?

Assume like any panel he's pressing reset silence and as he isn't a fire engineer he doesn't know how to fault find what the problem is 

[MrHappy]

3 minutes ago, al-yeti said:

Assume like any panel he's pressing reset silence and as he isn't a fire engineer he doesn't know how to fault find what the problem is 

 

I'd assume he's ships crew & probably English is a 2nd language ?

[al-yeti]

3 minutes ago, MrHappy said:

 

I'd assume he's ships crew & probably English is a 2nd language ?

I dunno, but I do feel like greeting you one day with an accenta 

[MrHappy]

39 minutes ago, al-yeti said:

I dunno, but I do feel like greeting you one day with an accenta 

 

they'll all talk with a funny accenta in the north of england....