Welch Allyn Vital Signs Monitor, Propaq Encore - Quick Reference Guide - Manual (Page 98)

92 Power sources Welch Allyn Propaq Encore Vital Signs Monitor
For monitors without the Expansion Module or SpO
2
option, typical monitor operating
time is about 2 hours at 25° C for a new, fully-charged battery. This is when all patient
channels are active and measurements are taken every 15 minutes.
For monitors without the Expansion Module but with the SpO
2
option, operating time is
about 5 hours.
For monitors with the Expansion Module and printer, SpO
2
and CO
2
options, typical
operating time is about 3 hours under the above conditions when print strips are
generated every 15 minutes.
Monitor functions based on battery voltage
As battery voltage drops during extended monitor battery operation, error messages are
displayed and monitor functions are discontinued in order of priority.
Checking battery voltage
The Propaq’s battery voltage is displayed on the initial powerup screen. The battery
voltage is also displayed with the Settings window.
Replacing the fuse
The Propaq Encore is protected against power surges by a 3 Ampere fuse, which can
easily be replaced in the right side panel. Fuse replacement should only be performed by
a qualified service person.
1. Disconnect the Propaq Encore from the patient.
2. Disconnect the ac power adapter from the Propaq Encore’s power input connector.
3. Using a small screwdriver or similar device, unscrew the fuse carrier by turning it
counterclockwise.
4. Remove the fuse holder and replace the fuse with a 3 Ampere, 2AG, 250V (fast or
slow acting) fuse. This fuse can be ordered from Welch Allyn or its service centers
using part number 503-0058-00.
Note If the green Battery Charging lamp does not light when an ac adapter is
connected, this fuse may be blown.
3A
2AG
12-28V, 3A
Replaceable
Fuse