Primary Switch Mode Inverter
UNV-F
Operation Manual
Page 24 (28)
BHB.UNV-F.D65-1050.HB101
10. Trouble shooting
All works has to be done by qualified personnel only.
10.1 No output voltage
DC input voltage O.K.?
mains switch (MCB) on?
green LED Operation on?
DC input voltage is connected properly?
DC input fuse (on DC busbar) O.K.?
signalling LED s Ui> or Ui< on ?
short circuit or overload on output?
output fuse O.K.?
If no error was found but the module still does not operate,
contact your sales agent or the producer service department.
10.2 Distortion of output voltage
overload on output? - check and reduce the load!
big inrush current of load?
distortions by load steps or current peaks?
adjustment of voltage value Uo not correct? adjust the
correct value
If no error was found but the module still does not operate,
contact your sales agent or the producer service department.