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4.0 Troubleshooting
©2002 Xantrex Technology Inc. All Rights Reserved.
P/N 975-0049-01-01 Rev A 10/2002
Potential Problem Loads for UPS Applications (continued)
Waveform Issues (continued)
Microwave Ovens
Microwave ovens are sensitive to peak output voltages.
The higher the voltage, the faster they cook. Since the
unit’s peak output voltage is dependent upon battery
voltage and load size, the microwave’s cook time may
need to be increased.
Printers
Most inkjet type printers work well in these applications.
Most laser printers, however, require a true sinewave
output, as opposed to a modified sinewave output.
Check with your printer manufacturer for UPS
compatibility before using laser printers with this unit.
Rechargeable Devices
When first using a rechargeable device, monitor its
temperature for 10 minutes to ensure it does not become
abnormally hot. Excessive heat will indicate that it is
incompatible with the unit.
Potential Problem Loads related to Search Sense Mode
Some loads can “fool” the Search Sense Mode, causing
the unit to cycle on and off, or not to turn on at all.
Confirming Search Mode Operation
A neon-type nightlight can be used as a test indicator to
show whether the inverter is searching for loads. Plug
the night light into the wall–if the inverter is in search
mode the light will blink, showing the search pulses sent
out by the inverter. If the inverter is running a load, the
light will be on continuously because continuous power
is being delivered to a load. A typical incandescent
nightlight may also work to show the pulses, but it will
use more power.
CAUTION: Check
with your laser
printer
manufacturer for
UPS compatibility
before using laser
printers with a
Trace UR-UPS.
Содержание Trace 1012 UR-UPS
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