What to do if ACO Intercom System displays "Call Service”?
If the ACO Intercom System displays the message "Call Service", it indicates that the data in the unit's memory is corrupted. To resolve this, try restoring the factory settings. If resetting to factory settings doesn't work, you should contact service staff.
How to fix ACO CDNP7ACC Intercom System when display and keypad won’t work?
If your ACO Intercom System's display and keypad aren't working, first check the power supply. Turn the power off for about 15 seconds, then turn it back on. If the problem persists, notify the maintenance staff.
What to do if ACO Intercom System signals door opening but E-lock won’t work?
If the ACO Intercom System signals door opening but the E-lock doesn’t work, check the E-lock and its connections. Also, verify that the supply voltage during door opening doesn't drop below 12VAC / 15VDC.
How to stop squeaking sound during connection with the receiver in ACO CDNP7ACC?
If you hear a squeaking sound during a connection with the receiver on your ACO Intercom System, adjust the microphone and speaker volume and balance using setting XI.
What does "LineEr" mean on ACO CDNP7ACC?
If your ACO Intercom System shows the message "LineEr", it means there's a short-circuit on the uniphone line (LINE+) to ground (correct line voltage - approximately 9V). Remove the short circuit. If the message persists after disconnecting the unit from the uniphone line, notify the maintenance staff.
What does "LineEr" and bright display backlight mean on ACO CDNP7ACC?
If the ACO Intercom System displays the message "LineEr" and the display backlight is bright, it indicates a short-circuit of the uniphone line (LINE+) to more than 11V (correct line voltage - approximately 9V). Remove the short circuit. If "LineEr" is still on upon disconnecting the unit from the uniphone line, notify the maintenance staff.
What does "No ACC" mean on ACO CDNP7ACC Intercom System?
If your ACO Intercom System displays the message "No ACC", and the proximity card/key fob reader module (ACC) is disconnected or damaged, restart the unit. If the message reappears, the ACC reader may be damaged, in an error condition, or the communication between the unit's mainboard and additional modules has failed.
Why does ACO CDNP7ACC call two or more receivers upon selecting the number?
If the ACO Intercom System makes calls to two or more receivers when you select a number, check whether the receivers have the same physical addresses assigned. The probable cause of failure is damage to one or more receivers.
What does "Err!" mean on ACO CDNP7ACC Intercom System?
If the ACO Intercom System displays the message "Err!", it means the number being called is outside the range of supported apartment numbers. To fix this, reset the system using a computer program.
Why is there distortion during conversation or buzzing on ACO Intercom System?
If you experience distortion or buzzing during a conversation using the ACO Intercom System, check if the supply voltage is lower than 12VAC when connected. Each door entry unit in the system must have a dedicated transformer/power supply.
General| Brand | ACO |
|---|---|
| Model | CDNP7ACC |
| Category | Intercom System |
| Language | English |
Features, materials, and expansion capabilities of the 700 series units.
How to expand systems using Master/Slave configurations and optional modules.
Individual programming of ringing signals and door opening alerts.
Defines the number of addresses and system zoning options.
Details LCD display, power supply requirements, and consumption.
Covers unit housing materials and frame options for installation.
Describes the unit's standby display and how to initiate a call to an apartment.
Explains how to assign and manage apartment call numbers and their ranges.
Details call response, door opening via F2 button, and call termination.
Using multiple numbers for calls and resident access codes.
Covers various methods like keypad codes, cards, key fobs, and administrator access.
Describes additional opening methods like external buttons and slave panel functions.
General notes on module compatibility and power connection.
Details the 230E module for displaying names and information.
Covers programming, usage, and older versions of the 230E module.
Describes the ACC module for proximity card and key fob access.
Details the INS-DM module for hearing impaired users.
Information on backlit windows for displaying text and names.
Describes xNP modules with call buttons and display windows.
Details the CDNVK camera module for video door entry systems.
Describes the CDN-I/O module for additional inputs and outputs.
Lists passive audio, active audio, and video receivers.
Procedures for installing receivers, including address setting.
Guidelines for unit dimensions, mounting components, and optimal placement.
Instructions for installing the flush-mounting frame for CDNP7 units.
Instructions for installing the flush-mounting back box for INSPIRO+ units.
Specifies required wires for power, E-lock, intercom, and video systems.
Details UTP cable requirements and RJ45 plug crimping.
Explains cable length limits and voltage drop calculation.
Details power supply requirements for passive audio receivers.
Covers connecting standard/reversible E-locks and alternative devices.
Describes wiring for audio/video receivers and video system setup.
Covers combiner power, wiring, and initial system checks.
Explains Master/Slave units, expansion modules, and system operation.
Describes busy indications, keypad locking, and call routing rules.
Guidelines for assigning apartment numbers and connecting slave panels.
Discusses star arrangements, multimaster modules, and video combiners.
Notes on using a single power supply type and phase.
Expands address capacity using a 4-zone switch module.
Details zone setup, access codes, and power requirements.
Explains doorman's call capabilities and call forwarding.
Discusses doorman panel configuration and master/slave topology.
Details line voltage behavior during calls and initial startup sequences.
Describes how to adjust microphone, speaker, and balance levels.
Guide to connecting to a PC using CDN-USB and the x700 software.
Details installer password management and accessing the installer menu.
Function to verify E-lock operation and opening time.
Procedure to change individual resident access codes.
How to manage administrator codes and add proximity cards/key fobs.
Configures the number of ringtones and permissions for apartment calls.
Enables or disables the signal for door opening events in apartments.
Selects one of four available ringtones for individual apartments.
Sets the duration for which the E-lock releases the door.
Modifies installer password and adds installer proximity cards/key fobs.
Checks the assignment of cards/key fobs to specific apartments.
Enters a new code table to generate resident access codes.
Activates or deactivates the reversible E-lock function.
Locks or unlocks the factory settings reset function.
Assigns proximity cards/key fobs to resident call numbers.
Assigns buttons on xNP modules to call specific numbers.
Sets a delay between input activation and door opening.
Configures the time interval for displaying service messages.
Verifies receiver functionality during installation via apartment call.
Allows service technicians to verify receiver operation.
Helps identify faulty receivers causing system issues.
Checks the line for interference or faulty receivers.
Steps to restore the unit to its default factory configuration.
Resets the initial startup message to the default.
Clearing data from CDN-230E and ACC modules.
Common problems with the display and keypad functionality.
Diagnosis and resolution for line error messages and short circuits.
Addresses issues with calls, conversation, and door opening signals.
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