9.Troubleshooting

PROBLEM

REASON

SOLUTION

 

 

 

Alarm is On

Display shows . Device

Cycle the inverter power OFF

 

has a short circuit or

and ON.

 

demands too much surge

If problem persists, use a

 

power.

 

 

larger inverter or a smaller

 

 

device.

 

 

Remove the defective device.

 

 

See warranty and call

 

 

Customer Service 1-800-621-

 

 

5485 (Hours 7:00 am to 5:00

 

 

pm CST).

 

Display shows . 12-volt

Recharge/replace battery

 

battery is too low.

 

 

Display shows voltage in

12-volt battery is low.

 

between 10.5 and 11.0-volts.

Recharge/replace battery.

 

 

 

 

The inverter will automatically

 

 

shut off after battery voltage

 

 

reaches 10.5-volts.

 

Display shows . 12-volt

If in a vehicle, repair/replace

 

voltage is too high.

the alternator or charging

 

 

system.

 

 

Use a properly sized and

 

 

rated 12-volt battery.

 

 

If the input voltage returns to

 

 

15-volts or less, the inverter

 

 

will automatically restart.

 

Display shows .Device

Cycle the inverter power OFF

 

demands more than the

and ON.

 

inverter’s continuous power

If problem persists, use a

 

rating.

 

 

larger inverter or a smaller

 

 

device.

 

Display shows . Inverter

Increase the ventilation to the

 

is too hot.

inverter.

 

 

Move the inverter to a cooler

 

 

area.

 

 

Reduce the power

 

 

consumption of the device.

 

 

The inverter will automatically

 

 

reset after cooling.

 

 

 

• 8 •

Page 11
Image 11
Schumacher XI41DU, XI75DU, XI50DU owner manual Troubleshooting, Problem Reason Solution