Page 11For technical questions, please call 1-800-444-3353.Item 60704
Troubleshooting
Problem Possible Causes Probable Solutions
Inverter shuts off
during use.
1. Excessive load at output.
2. Internal temperature is too high.
1. Reduce load to less than rated power.
2. Let the Inverter cool down for at least 30 minutes.
Make sure that the fan is not blocked and
that the Inverter has sufficient ventilation.
No output voltage. 1. Cords not connected properly.
2. Fuse on battery bank open.
3. Internal fuse(s) open.
4. Low input voltage.
5. Loose or corroded connection.
6. High input voltage.
1. Check and secure connections.
2. Check battery bank fuse and replace as needed.
3. Have technician check internal
fuses and replace as needed.
Only a qualified technician should open housing.
4. Recharge or replace battery.
5. Clean and tighten connection.
6. Remove charging source and make sure correct
battery is being used and connected correctly.
Output voltage
is incorrect.
Input voltage is too high or too low. Maintain input voltage at required level.
Could not drive load. 1. Load power is too large.
2. The AWG of the wire is too low.
3. Start power of an device is
up to twice the rated power.
1. Lower load level.
2. Use appropriately-sized wire connections.
3. Reduce load, or change devices.
Motor-operated
device operates at
incorrect speed.
Load is only inductive. Operate a lamp or heater at the same time
to provide a more balanced load.
Television picture is full
of static or speakers
make a buzz.
1. Television or radio interference.
2. Incompatible device.
1. Move Inverter away from antenna and/
or use a shielded antenna cable.
2. Contact device supplier to make sure that device
can operate on Modified Sine Wave Power.
Follow all safety precautions whenever diagnosing or servicing the Inverter.
Disconnect power supply before service.
Record Product’s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Replacement parts are not available for this product.
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