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When I power my TR inverter/charger I get an F03 Fault?

Published date: 17 June 2020

The F03 indicates that a battery temperature has not been detected or it has exceeded the temperature range (-20 C- 60C), (-4 F - 140 F)
Solution: On intitial startup if no sensor is connected you will see this warning but is should clear after about 5 seconds.
If it has not cleared the unit may be defective and would require service, or if you do have a sensor connected you may want to check the temperature of the battery compartment, or the battery the sensor is connected to.
If the battery temperature is not excessive, the temp sensor may be bad.
 

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