Welch Allyn 1500 Patient Monitor v.1.4.X - User Manual - Manual (Page 104)

100 Maintenance Welch Allyn 1500 Patient Monitor
Visual inspection
Defective monitors or damaged cables must be removed from service until repaired or
replaced.
Visually inspect the monitor and cables for the following:
• Monitor casing damaged or cracked, excessively scratched, etc.
• Damage to the LCD screen.
• Damage to sensor sheathing, mains, or potential equalization cables.
• Damage to connection panels or connectors.
• Legibility of the labels on the rear of the monitor.
• Legibility of the annotation on the function button panel.
Button check
Press all buttons and trim knob and check that they work properly.
Speaker check
On switch-on, beeps must be audible.
LED check
Connect mains to the monitor and ensure the Mains LED is illuminated.
Disconnect the mains supply and leave the monitor on for 10 minutes. Reconnect the
mains supply and ensure both the mains LED and the battery charge LED are illuminated.
Alarm check
The alarm check is performed with the SpO
2
sensor. Proceed as follows:
1. Connect the SpO
2
sensor to a volunteer and check that the measurement is within
normal range.
2. Set the SpO
2
alarm to on and set the limit to the lowest setting (see “SpO2 settings”
on page 70), so that the alarm activates.
3. Check that the visual and audible alarms are activated.