How do I perform a factory reset on the HSA6400?
Please see images below for instructions on how to perform a factory reset on the HSA 6400:
Step 1
Push the panel up from the bottom and lift it off the mounting plate.

Step 2
Then unplug the mains power.

Step 3
On the back of the panel remove the grey rubber cover, then turn the on/off switch to off using a pointed instrument.

Step 4
Hold the arrow up key on the panel whilst re-inserting the mains power, then you’ll hear a long beep at which point release the arrow up key.

Step 5
Then press tick and then the circle arrow. The screen should then say “set user code” if this does appear please repeat this process.
