Thor Motor Coach Class B+ Owner's Manual page 105

Thor motor coach recreational vehicle
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Electrical Systems
Checking Battery
Status
Checking Output
Power
Operating several
loads at once
Turning the Inverter
off when not in use
Fault Codes
104
You can check the battery status by pressing the Select button until the Input Voltage
LED illuminates. The battery voltage appears in the three digit LED display. The
normal operating battery voltage range is between 11 and 15 volts.
You can check how much power the XM Series Inverter is supplying to the connected
loads by pressing the Select button until the Output Power LED illuminates.
If you are going to operate several loads from the XM Series Inverter, turn them on
one at a time after you have turned the inverter on. Turning loads on separately helps
to ensure that the inverter does not have to deliver the starting current for all the
loads at once, and will help prevent an overload shutdown.
The XM Series Inverter, on average, draws less than 0.7 A from the battery when the
inverter is on with no load connected. However, when it is left in this state the XM
Series Inverter will eventually discharge the battery. To prevent unnecessary battery
discharge, turn the XM Series Inverter off when you are not using it. Shore power will
pass through the inverter even though the inverter's power is off.
Note:
The XM Series Inverter will operate most AC loads within its power
rating of 1800 watts. However, some appliances and equipment may
be difficult to operate, and other appliances may actually be
damaged if you try to operate them with the XM Series Inverter.
Examples include:
E01 Yellow Under-voltage warning
Check the connections and cable to see if the battery is fully charged.
Recharge the battery if it is low.
Reduce the load.
E02 Red Under-voltage shutdown
Disconnect the load and recharge the battery.
E03 Red Over-voltage shutdown
Make sure the XM Series Inverter is connected to a 12 V battery.
E04 Yellow Overload shutdown warning
Make sure the load does not exceed the XM Series Inverters output rating.
Reduce the load if necessary.
E05 Red Overload shutdown
Short circuit
Reduce or disconnect the load. Make sure the load does not exceed the XM
Series Inverters output rating.
Check connection to the load.
E06 Not used
E07 Yellow Over-temperature shutdown warning
Allow the unit to cool off.
Reduce the load if continuous operation is required.
Improve ventilation.
Make sure the inverter's ventilation openings are not obstructed.
Reduce the ambient temperature.
E08 Red Over-temperature shutdown
Allow the unit to cool off.
Improve ventilation.
Make sure the inverters ventilation openings are not obstructed.
Speed controllers found in some fans, power tools, kitchen
appliances, and other loads may be damaged.
Some chargers for small rechargeable batteries can be
damaged.
Metal halide arc (HMI) lights can be damaged.

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