User manual

DC/AC Inverter

UNV-F

User Manual

Page 14 (28)

4.3 LED Indications

The following functions are indicated with front side LEDs:

LED Colour Meaning

green Inverter is switched on and operates

green

Inverter output voltage okay*

red

Input voltage high*

red

Input voltage low*

red Output current to high; short circuit or overload at the output

red

1.) Lights continuously: Overheating of the inverter by overload.

2.) Blinking: Malfunction of the cooling fan

red

Collective failure; the delay time of the relay alarm is adjustable**; relay

contact at X1; all single failures are included.

* Adjustment of the threshold values, please see section 4.5

**Only with the service menu PM2.