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Power Drive 300 User Manual

Page 10

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Problem/Symptom

P

ossible Causes

Solution

Low output voltage

Overloaded

Reduce the load.

No output voltage

Low input

Recharge battery

.

Red LED illuminated

V

oltage

Check connections and cable.

Alarm sounding

Continuous operation input

current required.

Thermal shutdown

Overloaded

Allow inverter to cool off

.

Reduce load. Improve ventilation; make sure

ventilation openings in the inverter are not obstructed.

Reduce ambient temperature.

No output voltage

High input

Make sure the inverter is

Red LED illuminated

voltage

connected to a 12V battery

.

Check regulation of charging systems

No output voltage

Short circuit

Check load for

Red LED illuminated

proper operation.

Inspect cables from battery

.

No output voltage

Inverter switched off

T

urn inverter on

No power to inverter

Check wiring to inverter

.

Reverse DC polarity

Observe correct polarity

(black to black/red to red).

Inspect cables from battery

.

Low battery alarm

P

oor DC wiring

Check connections.

on all the time

P

oor battery condition

Make sure battery is fully charged.