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5 Troubleshooting
Line Conditioners and Protectors
Although the DEQ830 is designed to tolerate typical voltage
variations, in today’s world the voltage coming from the AC line
may contain spikes or transients. These can cause audible noises,
and they can stress your gear and, over time, possibly cause a
failure. There are two main ways to protect against this, listed in
ascending order of cost and complexity:
• Line spike/surge protectors. Relatively inexpensive, these
are designed to protect against strong surges and spikes, acting
somewhat like fuses in that they need to be replaced if they’ve
been hit by an extremely strong spike.
• Line filters. These generally combine spike/surge protection
with filters that remove some line noise (dimmer hash,
transients from other appliances, etc.). A good example is the
Isobar™ series from Tripp Lite.
Care and Maintenance
D
o not spray cleaning
s
olution of any sort onto the
f
ront panel of the DEQ830.
I
f a cleaning becomes
n
ecessary, spray a
r
ecommended cleaning
s
olution onto a cloth first,
a
nd use the cloth to clean
t
he front panel.
Cleaning
Disconnect the AC power supply, then use a damp cloth to clean
the DEQ830’s metal and plastic surfaces. For heavy dirt, use a
non-abrasive household cleaner such as Formula 409™ or
Fantastik™. DO NOT SPRAY THE CLEANER DIRECTLY
ONTO THE FRONT OF THE UNIT AS IT MAY DESTROY
THE LUBRICANTS USED IN THE SWITCHES AND
CONTROLS! Spray onto a cloth, and then use the cloth to clean
the unit.
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