Troubleshooting - CEN-TECH 60704 Owner's Manual & Safety Instructions

Troubleshooting

Problem
Inverter shuts off
during use.
No output voltage.
Output voltage
is incorrect.
Could not drive load.
Motor-operated
device operates at
incorrect speed.
Television picture is full
of static or speakers
make a buzz.
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.
Item 60704
Possible Causes
1. Excessive load at output.
2. Internal temperature is too high.
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.
Input voltage is too high or too low. Maintain input voltage at required level.
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.
Load is only inductive.
1. Television or radio interference.
2. Incompatible device.
For technical questions, please call 1-800-444-3353.
Probable Solutions
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.
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.
1. Lower load level.
2. Use appropriately-sized wire connections.
3. Reduce load, or change devices.
Operate a lamp or heater at the same time
to provide a more balanced load.
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.
Page 11