Xantrex Technology PH1800 2 Possible Problems if Utility Power is Not Available, Probable Cause

Troubleshooting

Table 3-2Possible Problems if Utility Power is Not Available

Problem	Probable Cause	Solution
Display is ON, AC is not	Low input voltage	Recharge the battery; check the
available on both	(error code E01)	connections and cable.
hardwired and unit
AC socket.	High input voltage	Make sure the unit is connected to a 12 V
	(error code E02)	battery. Check battery is not overcharged.
	Unit is overload protected	Reduce the amount of loads connected to
	(error code E03)	the unit or the start up surge on the load
		exceed surge limit of the unit.
	Unit is thermal protected	Allow the unit to cool off. Reduce the
	(error code E04)	load if continuous operation is required.
		Improve ventilation. Make sure the
		inverter's ventilation openings are not
		obstructed.
		Reduce the ambient temperature.
	Unit is ground fault protected	Turn the unit off. Check all DC Input
	(error code E09)	connections (PV, wind etc.) and repair
		any faults or damage. Replace the ground
		fault fuse (see page 3–10) and restart the
		unit
Digital display or LED is	Display is normal	N/A
flickering especially in a
dark environment.
Inadequate run time.	Internal battery is not fully	Charge the internal battery by leaving the
	charged.	charger backup power system plugged
		into a wall outlet at least 20 hours.
	Internal battery has aged past its	Replace the internal battery. The internal
	warranted shelf life, the available	battery also ages prematurely if the
	run time decreases.	system is installed in a hot environment.
Products connected to unit	Products connected to backup	Your application is not compatible with
malfunction or overheat.	power system do not accept	backup power system modified sine wave
	modified sine wave form.	output.
		See “Rechargeable Devices” on page 3–9.

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