Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
4EVAC Compact 500 quick guide
DoP OD 16.47
Author:
DD
Design revision:
2.0
Page 28 of 33
Amplifier unit indications
Each amplifier unit has LED indicators onboard. There are 2
indicators per channel:
GREEN LED: amplifier power-on/fault status;
RED LED: impedance measurement
You can identify the status of every channel and line according
to the table below:
Visual blinking
sequence
GREEN
(amplifier status)
RED
(impedance measurement)
OFF
-
Sleep mode
Not calibrated
Blink (short )
-
Calibrated – impedance OK
Blink slow
Amp fault
Impedance high (line open)
ON
Running
Impedance low (line short)
LED indicators on amplifier units