OM POWER OM2000+ Manual page 30

If there is a fault condition, always try to remove the cause first. If it is not a hardware failure, it
usually s ucceeds. F or e xample h igh V SWR, h igh I nput p ower, m istune o f P A, h igh t emperature, e tc.
An e xample s hows s ituation w hen I nput
power i s t oo h igh. B y p ressing P TT s afety
circuit w ill r eact q uickly, e rror m essage
appears a nd F AULT L ED s tarts b linking. I n t his
case s creen c urrent e xceeds l imited v alue
(60mA).
After abt. 1 sec. PA returns to TX mode.
Reduce I nput p ower t o a void f ault r epeating.
This is the situation, when problem with
high Input power persists. Safety circuits
reacted 3 times, and then switched PA to
STBY m ode. P ermanent f ault a ppears.
To return PA to the normal operation,
decrease Input power first, then reset fault
status a nd g o b ack t o t he O PER m ode.
If resistor R1 or fuse F3 is damaged, safety
circuit stops starting of the PA and fault
message appears on the display. It is
necessary to replace
component.
Fuse F 3
Resistor R 1
the damaged
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