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Troubleshooting reference
33
• Adjust the orientation of the HI400, television, antenna,
and cables.
• Maximize TV signal strength by using a better antenna;
use a shielded antenna cable where possible.
• Try a different TV. Different models vary considerably in
their susceptibility to interference.
Troubleshooting reference
Four common problems with the HI400 are as follows:
• Low battery
• Thermal shutdown
• Electronic shutdown
• No AC output
WARNING: Electric shock hazard
Do not remove the cover or disassemble the HI400. It
does not contain any serviceable parts and attempting to
service the unit yourself could result in electrical shock
or burn.
Table 5 Troubleshooting reference
Problem Possible Cause Solution
Low battery
shutdown
(Low battery
LED
illuminated red)
Battery under
voltage
Check battery voltage:
• If the voltage is low, charge the
battery.
• If the voltage is normal, check for
loose battery connection.
Thermal
shutdown
(No LED
illuminated)
Over temperature Inverter automatically restarts when
the temperature of components
decreases. Remove some loads. Be
sure there is adequate air flow to both
sides of the unit for proper cooling.