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Maintenance
Warning
Display Sweep Speed
Philips 2-Channel
Recorder
Caution
7-4
Maintenance, Troubleshooting, and Repair
•
For ambient temperature normally below 25
be replaced every 3 years.
•
For ambient temperatures regularly above 25
be replaced every 2 years.
Purchase of spare batteries is Not Recommended, since they need to be recharged
at least every 6 months to maintain their capacity. Instead, batteries should be
purchased a few weeks prior to their replacement schedule.
If spare emergency power is desired, purchase of a spare UPS is Recommended and
should be maintained in a charged condition.
Order information and Philips Part Numbers are given in the Replaceable Parts
List included in the tabbed section of this manual.
The UPS battery is accessed through a door in the bottom or front of the unit, which
is secured by screws. Refer to the UPS User's Manual for proper battery
replacement.
UPS batteries are lead-acid and must be handled carefully and disposed of
properly.
To assure full compliance with Information Center specifications, the sweep speed of
the main display can be checked and adjusted to assure 25 mm/s +10%. The
procedure for adjusting a display to achieve this sweep speed is described in
Chapter 8 under Testing Product Assurance.
The Philips Recorder has mechanical and optical components that require regular
cleaning for dependable operation. This includes cleaning of the paper-out, optical
sensor to assure reliable paper-out messages and the paper roller to prevent paper
slippage and keep recordings clear and clean.
Cleaning the paper-out sensor and interior of the Philips Recorder can be done with
a container of compressed air.
Step 1. Open the Philips Recorder door and remove the paper roll.
Step 2. Use compressed air to clean all dirt and debris from the interior of the
recorder and especially from the surface of the paper-out sensor. If an
excessive amount of dust or dirt particles builds up on the optical sensor, the
recorder will "think" it is out of paper when it is not and send an error message
to the Information Center monitor.
Cleaning the paper roller should be done with a lint-free cloth, lightly wetted with
isopropyl alcohol.
To avoid damage to the paper roller, do NOT use any of the following cleaning
agents:
o
o
C (77
F), UPS batteries should
o
o
C (77
F), UPS batteries should
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Table of Contents
Troubleshooting
