Skip to content

List of Troubles

Below is a list of troubles detected by the control panel. The names correspond to the messages displayed in the system.

Trouble Possible Cause
Low battery voltage The battery is discharged or worn out.
No 230V power supply No mains voltage, blown fuse, faulty power supply.
Incorrect code Repeated entry of an incorrect user code.
BELL trouble Problem with the BELL siren output (overload, short circuit, open circuit).
No battery The battery is disconnected, damaged, or not detected by the control panel.
AUX1 trouble Overload, short circuit, or voltage drop on AUX1.
AUX2 trouble Overload, short circuit, or voltage drop on AUX2.
No communication with the control panel Loss of communication with devices on the bus (expander, keypad, etc.).
SM trouble No communication with the monitoring station.
Zone trouble Zone input error (e.g., circuit failure, out-of-range condition).
No time synchronization The control panel cannot synchronize the time with the NTP server.
GSM trouble Weak or no cellular signal, problem with the antenna or SIM card.
System tampering Enclosure opened, violation of the tamper switch, or device tampered with.
Low bus voltage Voltage drop on the communication bus (heavy load, damaged wires).
LAN/WiFi trouble No Internet connection via LAN or WiFi.
No activity No violations in the zone for a specified monitoring period.
RF zone battery failure Low battery level in a wireless device (detector/keypad/siren/repeater).
Jamming trouble Radio jamming detected in the RF devices’ band.
Power supply overload Excessive current draw reported by an additional power supply module.
Zone masking Masking/anti-masking detected on the detector (obstruction or interference with the detection path).

Warning

If the trouble is persistent (does not disappear after the cause is removed or the system is restarted), contact your installer.