OperatiOn
Controls and indicators
The Powermax65 and Powermax85 power supplies have the following: ON/OFF switch, adjustment knob,
automatic/ manual pressure setting mode selector, current/gas selector, operating mode switch, indicator LEDs, and
a status screen.
Rear controls
Front controls and LEDs
Status screen
Fault LED
Fault LED (yellow)
When illuminated, this LED indicates that there is a fault with the power supply. For information about these
fault conditions and how to correct them, refer to section 5.
Power ON LED (green)
AC
When illuminated, this LED indicates that the power switch has been set to I (ON) and that the safety interlocks
are satisfied. When blinking, the power supply has a fault.
4-2
ON (I)/OFF (O) power switch
Activates the power supply and its control circuits.
(yellow)
Automatic/manual pressure
setting mode selector
Operating
Adjustment knob
mode switch
Current/gas
Power ON LED
selector
(green)
powermax
65/85 Service Manual