Outback Power Systems GFX1312E, GFX1424E Message Definition Possible Remedy, Acin freq too high

Troubleshooting

Warning Messages

A warning message is caused by a non-critical fault. When this occurs, the unit will not shut down, but the ERROR LED (see page 11) will flash. See the system display manual for instructions on viewing warnings. One or more messages will display yes in the MATE system display; Y in the MATE3. If a message says no (or N), it is not the cause of the inverter’s warning.

Some warnings can become errors if left unattended. Frequency and voltage warnings are meant to warn of a problematic AC source. Often the inverter will disconnect from the source. This will occur if the condition lasts longer than the inverter’s transfer delay settings. If the inverter disconnects, the warning will display as long as the source is present, accompanied by a Disconnect message. (See next page.)

Warning screens can only display warnings; they cannot clear them. The way to correct the fault may be obvious from the message.

Table 6 Warning Troubleshooting

Message	Definition	Possible Remedy
acin freq too high	The AC source is above the upper acceptable	Check the AC source. If it is a generator,
	frequency limit (55 Hz) and prevents connection.	reduce its speed.
acin freq too low	The AC source is below the lower acceptable	Check the AC source. If it is a generator,
	frequency limit (45 Hz) and prevents connection.	increase its speed.
acin voltage too high	The AC source is above the upper acceptable	Check the AC source. The inverter’s range is
	voltage limit (252 Vac default setting) and prevents	adjustable. However, this will accommodate
	connection.	an AC problem, not fix it.
acin voltage too low	The AC source is below the lower acceptable	Check the AC source. Check the AC wiring.
	voltage limit (208 Vac default setting) and prevents	The inverter’s acceptance range is
	connection.	adjustable. However, this will accommodate
		an AC problem, not fix it.
acin input current	AC loads are drawing more current from the AC	Check the loads. Oversized loads can open
exceeds max	source than allowed by the input setting.	circuit breakers. If they exceed the inverter’s
		transfer relay size, the relay can be damaged.
temperature sensor	An internal inverter temperature sensor may be	Check sensor readings (see below). The
fault	malfunctioning. This is indicated by an unusual	numeric values represent electronic counts
	airtemp, fettemp, or captemp reading.	between 0 and 255.1
internal comm error	Probable failure on inverter’s control board.	Unit may require repair. Contact OutBack
detected	Despite the name, this is not an inverter-defined	Technical Support (see inside front cover of
	error and is not accompanied by a shutdown.	this manual).
internal fan failure	The inverter’s internal cooling fan is not operating	Turn the battery disconnect off, and then on,
detected	properly. Lack of cooling may result in derated	to determine if the fan self-tests, then
	inverter output wattage.	contact OutBack Technical Support for the
		next step. Meanwhile, run the inverter at
		reasonable levels or apply external cooling.
airtemp1	Displays a code representing the air temperature	Lower counts stand for higher temperatures,
	within the inverter.	and higher counts mean lower temperatures.
		Room temperature is 210 – 220. The internal
fettemp1	Displays a code representing the temperature of
		fan runs at 142 and stops at 164. A count of
	the FETs (Field Effect Transistors) and heat sink.
		either 0 or 255 is a defective sensor. Contact
captemp1	Displays a code representing the temperature of	OutBack Technical Support if necessary (see
		inside front cover of this manual).
	the inverter’s ripple capacitors.

1These values are in digital counts, not degrees. The values are used for troubleshooting purposes.

38 900-0112-01-00 Rev B