Chosen Solution
Trying to diagnose Conair HCT7565RLIC trimmer turning off immediately when running on battery with blades attached only. Runs without blades on battery, or with blades when plugged in to ACBattery appears to be fully charged, but it only runs for about 1 second when turned on each time you flip the switch.Disassembled to try and identify the cause, discovered it will run without the blades attached, left it running for quite a while to test the battery; the moment there’s pressure on the motor from the blades fully secured it blinks red and shuts off.When it’s run off AC power directly, it runs just fine.
@spacejanitor it sounds like your battery cannot handle the load requirements. I would replace the battery first. If that does not work, you will at least have a known-well starting point for further troubleshooting (which would lead me to the motor). You can always place a large variable resistor across the battery while you connect a multimeter. S\ee if it breaks down with increased load. If you do not have the proper test equipment might be easier to just replace the battery :-)
