What to do if my AEG Battery Charger displays 'BATT.TEST FAILED'?
- PPaul HenrySep 12, 2025
If your AEG Battery Charger displays 'BATT.TEST FAILED', contact the customer service department.

What to do if my AEG Battery Charger displays 'BATT.TEST FAILED'?
If your AEG Battery Charger displays 'BATT.TEST FAILED', contact the customer service department.
What to do if my AEG Battery Charger displays 'INTERNAL CHECK'?
If your AEG Battery Charger displays 'INTERNAL CHECK', contact the customer service department.
What to do if my AEG PROTECT RCS Battery Charger displays 'NO PS VOLTAGE'?
If your AEG Battery Charger displays 'NO PS VOLTAGE', check the fuse F1. If the issue persists, contact the Customer Service Department.
| Brand | AEG |
|---|---|
| Model | PROTECT RCS |
| Category | Battery Charger |
| Language | English |
Details the components visible on the front of the charger with the door closed.
Shows the layout of components from the side of the charger.
Lists the essential components included in the charger's standard configuration.
Lists the various optional features and components available for the charger.
Describes the elements located on the charger's front door.
Identifies and describes the different terminal blocks for connections.
Provides guidelines for safely handling and transporting the equipment.
Details site selection, floor requirements, and securing the rectifier charger.
Specifies requirements for installing batteries and ensuring floor strength.
Defines acceptable operating and storage conditions regarding temperature and humidity.
Instructions for connecting the main power supply, including safety aspects.
Procedure for correctly connecting the battery to the charger.
Guidance on connecting the common remote alarm output.
Instructions for connecting the load to the equipment's terminals.
Essential checks to perform before powering on the system.
Step-by-step guide for powering up the rectifier and initial checks.
Specific start-up procedure for TPRe TD units in parallel configurations.
Process for performing the initial commissioning charge for batteries.
Describes the default screen layout showing key information and navigation.
Explains how to access the main menu and interpret rectifier status indicators.
Details the structure of the user interface, menus, and navigation functions.
Explains how system status messages are displayed on the LCD screen.
Guides on accessing and displaying various system measurements and data.
Covers manual operations and activation of specific charge modes or tests.
Details system settings such as language, date, time, and passwords.
Illustrates the system's behavior in different operational states with associated diagrams.
Describes available battery charge modes: floating, high rate, and commissioning.
Explains the internal working principle and components of the rectifier system.
Details the functions and architecture of the Generic Control and Alarm Unit.
Explains the role and features of the Three-Phase Control Board.
Describes the front-panel display board and keyboard for user interaction.
Covers optional features for monitoring, signalling, and alarms like LED boxes and relay boards.
Details communication interfaces such as RS485 Modbus, IEC 61850, and TCP/IP.
Explains optional features related to load management and protection.
Describes various options for battery management, including temperature compensation and capacity testing.
Lists optional features related to the equipment cabinet, such as heating and lighting.
Explains configurations for ensuring maximum load supply availability and maintenance.
Describes paralleling systems to increase power or battery capacity.
Details options used in parallel configurations, including passive load sharing.
Recommends annual preventive maintenance and lists key inspection tasks.
Guidelines for fan maintenance and recommended replacement intervals.
Recommendations for maintaining and replacing DC capacitors and filters.