Xantrex Technology manual 1Troubleshooting Reference for the XS400

Troubleshooting

Table 4-1Troubleshooting Reference for the XS400

Problem	Possible Cause	Solution
No output voltage. Low	Battery voltage is too low.	Recharge the battery to more than 12.6
Battery light is illuminated.		volts DC. The inverter will restart
		automatically.
	Poor DC wiring.	Turn the inverter to Standby (	).
		Disconnect the DC wiring. Use proper
		wiring and ensure all connections are tight.
Output voltage is present.	Battery voltage is low.	Disconnect all appliances. Charge the
Inverter ON light and Low		batteries.
Battery light are illuminated.
AC input cord is connected to	The shore power voltage is	Turn the On/Standby switch to On (			), and
shore power and the AC Input	out of range (less than 85	the appliance will be powered from the
light is off. The appliances	volts AC or greater than 140	inverter.
are not powered.	volts AC).
	External breaker has tripped.	Reset the external breaker.
AC input cord is connected to	Supplemental circuit breaker	Disconnect all appliances. Check the AC
shore power and the AC Input	has tripped.	wiring and press the Supplemental Circuit
light is illuminated. The		Protection button to reset it.
appliances are not being
powered from shore power.	GFCI has tripped.	Clear the ground fault and reset the GFCI.
AC input cord is connected to	The shore power voltage is	Turn On/Standby switch to On (		), and the
shore power. AC Input light	close to being out of range	appliance will be powered from the inverter
illuminates intermittently.	(less than 85 volts AC or	or shore power.
	greater than 140 volts AC).
Fan does not turn on.	The internal components of	No action. The fan will run automatically
	the inverter are not warm.	when necessary to cool the internal
		components of the inverter.

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