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Amber HendersonSep 6, 2025
What does 'RF Jam Detected' mean on DSC PC4020 Control Panel?
- KKatie TorresSep 6, 2025
If the DSC Control Panel displays 'RF Jam Detected,' it means that wireless device transmissions are not being received.
What does 'RF Jam Detected' mean on DSC PC4020 Control Panel?
If the DSC Control Panel displays 'RF Jam Detected,' it means that wireless device transmissions are not being received.
What does '4702 AC TBL' mean on DSC Control Panel?
A '4702 AC TBL' message indicates that the PC4702 module has lost AC power.
What does '4820 AC Trouble' mean on DSC PC4020 Control Panel?
A '4820 AC Trouble' message indicates that a PC4820 module has lost AC power.
What does 'Battery Trouble' mean on my DSC PC4020?
A 'Battery Trouble' message on your DSC Control Panel indicates that the battery connected to the control panel is low.
What does '4204 Battery TBL' mean on DSC PC4020 Control Panel?
A '4204 Battery TBL' message indicates that the battery connected to any PC4204/PC4204CX relay output module is low.
What does 'Aux Supply Trouble' mean on DSC PC4020 Control Panel?
An 'Aux Supply Trouble' message indicates that the AUX, SAUX+ or PGM terminals on the DSC alarm control panel are overloaded.
What does 'Device Tamper' mean on my DSC Control Panel?
A 'Device Tamper' message indicates that a wireless zone has a tamper condition.
What does 'FTC Trouble' mean on my DSC PC4020?
FTC Trouble indicates that the DSC alarm control panel can no longer communicate with the central monitoring station.
What does 'TLM Trouble' mean on DSC PC4020 Control Panel?
A 'TLM Trouble' on your DSC Control Panel indicates an issue with the telephone line.
What does 'LV = low voltage' mean on DSC Control Panel?
The 'LV = low voltage' message indicates that the module is not receiving enough voltage from the Combus.
General| Partitions | 8 |
|---|---|
| Power Supply | 16.5 VAC, 40 VA transformer |
| Input Voltage | 16.5 VAC |
| Keypad Support | Up to 16 keypads |
| Communication Formats | Contact ID, SIA |
| Battery Backup | 12 V |
| Communication | PSTN |
| Weight | 2.3 kg |
Monitors fire detection devices and provides a warning alarm if a fire condition is detected.
Capable of transmitting alarms, troubles, and emergency information over telephone lines to a monitoring station.
Explains the meaning of the yellow (trouble) and red (armed) LEDs on the keypad.
Allows reviewing the event buffer on the keypad display for event details.
Programs the system's 24-hour clock by entering 4 digits for hour and minutes.
Programs the system's calendar by entering 6 digits for month, day, and year.
Allows enabling ring detect for 60 minutes for computer calls to the panel.
Resets the main panel by turning off power to the COMBUS for 5 seconds.
Returns to the previous menu or arm/disarm state.
Explains that global keypads belong to all partitions and can be accessed by all users.
Describes accessing the system by entering a valid access code on the keypad.
Details how the system prompts for partition selection and displays status.
Holding the key down for 2 seconds sounds a fire alarm and sends a transmission.
Holding the key down for 2 seconds sends a transmission to the monitoring station.
Holding the key down for 2 seconds sends a transmission or sounds a silent alarm.
Allows selecting zones to be bypassed by pressing the [*] key.
Accesses trouble conditions by pressing [*] then [2], showing a list of issues.
Enters alarm memory mode to view alarms from the last armed period.
Resets smoke detectors assigned to a partition after entering the access code.
Used to program Master Codes and regular access codes for the system.
Starts the user programming command sequence for access codes.
Allows scrolling through access codes by number or using [<] [>] keys.
Presents a menu for editing access codes like programming or erasing.
Accesses user functions menu by pressing [*] then [6] and the access code.
Controls features like Quick Arm, Quick Exit, Auto Arm Control, and Keypad Setup.
Enables arming the panel by entering [*] [0] without disarming.
Allows exiting through delay zones without altering system status by entering [*] [0].
Arms a partition automatically at a programmed time each day.
Allows adjustment of keypad backlighting and display contrast.
Tests system bells for 2 seconds and sends a test code transmission.
Enables or disables the keypad beep for door chime activation.
Enables display of special event messages like 'Fail to Arm'.
Initiates a call to the downloading computer when selected.
Tests detectors on a partition, sounding alarms for violated zones.
Tests detectors locally, sounding the bell for 2 seconds upon violation.
Tests detectors and transmits alarms to the monitoring station.
Disables walk test mode, returning the partition to its normal state.
Exits the walk test menu.
Provides guidance on checking electrical appliances and hazardous materials.
Emphasizes developing and rehearsing escape plans for emergencies.
Lists ASCII characters and their corresponding codes for keypad entry.
