Problem/Symptom

Possible Causes

Solution

 

 

 

Low output voltage

Overloaded

Reduce the load.

 

 

 

No output voltage

Low input

Recharge battery.

Red LED illuminated

Voltage

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.

Alarm sounding

 

Check regulation of charging systems

 

 

 

No output voltage

Short circuit

Check load for

Red LED illuminated

 

proper operation.

No alarm

 

Inspect cables from battery.

 

 

 

No output voltage

Inverter switched off

Turn 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

Poor DC wiring

Check connections.

on all the time

Poor battery condition

Make sure battery is fully charged.

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Power Drive 1500 manual Problem/Symptom Possible Causes Solution