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11. TROUBLESHOOTINg
Inverter cannot be switched on, "Power" LED is not lit.
• The rechargeable battery used for operation is flat. Connect the inverter to another, fully
charged rechargeable battery.
• The polarity was swapped at connection. Check the wiring.
• The cable connections with the rechargeable battery are not correct; e.g. the connection
cable is not screwed on. Tighten the screws of the terminal clamps.
• The fuse has tripped. Check the fuse and replace it if required.
The inverter works only with a consumer with a lower power consumption.
• The connection cable to the rechargeable battery is too long or the line cross-section is too
small. Replace the connection cable by a shorter one; use a cable with a larger line cross-
section.
• The consumer's power consumption is too high for the inverter.
• The consumer's power consumption is too high when starting up.
The connected consumer is not working and the "fault" LED is lit.
• The consumer's power consumption is too high for the inverter; overload protection has
been activated.
• The consumer's power consumption is too high when starting up; overload protection has
been activated.
an alarm sounds.
• Undervoltage recognition has been activated. The rechargeable battery that is used for
voltage/current supply of the inverter is flat. Connect the inverter to another, fully charged
rechargeable battery.
• The overtemperature protection has been activated. Switch the inverter off and let it cool off
sufficiently.
Check if the inverter is sufficiently ventilated.
Operate the inverter in a cooler environment.
Connect a consumer with lower power consumption.
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