APC 420 Instruction Manual

$4.99

APC 420 - It's a complete owner's manual ( also known as operating manual or user guide), and it's in PDF format. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English German French Spanish

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Monday 07 May, 2007.

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John Craig - 07/31/2006

Very nice site and the manual is great. A life-saver. Thank you so much!

Henry Seiden - 02/26/2009

I downloaded this product and looked through it quickly with Adobe Reader v9. It is clean and a good copy. Some scanned pages are not perfectly square, but that is a minor complaint. The document schematics and board diagrams are easy to read, of good contrast. The whole file downloaded quickly. This is a good service! Sony charges about $100 for the printed version of the same manual. It is still available through their print-on-demand pro parts system, but why would you do that?

pascal grandjean - 11/02/2009

Excellent service. Service manuel conforme. C'est parfait. Merci!

Jeff Lewis - 07/24/2006

Received the Hitachi user manual. Happy happy happy! Thanks again.

Jim Carrier - 08/02/2006

Outstanding and fast service! I received service manual in a moment after order. Thanks to this manual I can use my printer again!

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Click to see text excerpt from the manual

7.2 Wall Mount Bracket
A special wall mount bracket is available for this UPS. See your dealer or call the number at the front of this
manual for more information.
8. Troubleshooting
ProblemPossible CauseSolution
Press the On/Off button to power the UPS and
On/Off button not pushed.
the load.
Reduce the load on the UPS by unplugging
UPS input circuit breaker
equipment and reset the circuit breaker by
UPS will not turn on.tripped.
pressing the plunger back in.
Check the AC power supply to the UPS with a
Very low or no utility voltage.table lamp. If very dim or off, have the utility
voltage checked.
Disconnect the computer interface or accessory. If
Computer interface or
UPS will not turn on or off.the UPS now works normally, check the interface
accessory problem.
cable, the attached computer, and the accessory.
UPS operates on-battery evenReduce the load on the UPS by unplugging
UPS's input circuit breaker
though normal line voltage isequipment and reset the circuit breaker by
tripped.
thought to exist.pushing the plunger back in.
UPS beeps occasionally.Normal UPS operation.None. The UPS is protecting the load.
Charge the battery. The UPS's batteries require
recharging after an extended outage. Batteries age
The UPS's battery is weak duefaster when put into service often and when
UPS does not provide
to recent outage or is near theoperated at elevated temperatures. If the battery is
expected back up time.
end of its service life.near the end of its service life, consider replacing
the battery even if the replace battery indicator is
not yet lit.
Top front panel indicatorsThe UPS has been shut downNone. The UPS will restart automatically when
flash alternately.by the UPS interface kit.utility power returns.
All indicators are flashing
Do not attempt to use the UPS. Turn the UPS off
(except On-BatteryInternal UPS fault.
and have it serviced immediately.
indicator).
The UPS operates normally,Building wiring error such as
Have a qualified electrician correct the building
but the Site Wiring Faultmissing ground or hot to
wiring.
indicator is lit.neutral wire reversal.
10