Industrieweg 87
2651BC Berkel & Rodenrijs
4EVAC Compact 500 quick guide
DoP OD 16.47
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:
RED
(impedance measurement)
- Sleep mode Not calibrated
short
- Calibrated – impedance OK
Amp fault Impedance high (line open)
Running Impedance low (line short)
LED indicators on amplifier units