Service manual

Radical Signal Extraction Pulse Oximeter Service Manual
UM-10026 – 1204
5-3
Symptom Cause and Corrective Action
Steps
Speaker Alarming (very
loud) and unit is not
functioning or displaying.
Probable Watchdog error.
1. Replace System Board.
Alarm LED does not
Illuminate
1. Unit must be in alarm state
2. Audible alarm can be heard
1. Replace System Board.
Alarm Condition But No
Audible Indication.
1. Unit is in alarm condition.
1. Replace Speaker
2. Replace System Board
Display Missing Segments
1. Replace Display.
2. Replace System Board
Button Function Error
1. Any front panel button
affected
2. Buttons do not activate
feature.
1. Replace Keypad
2. Replace System Board
"No Sen", or “Sen Off”
Displayed.
1. Cable is connected with
sensor attached.
1. Replace sensor.
2. Replace patient cable.
3. Replace oximeter board.
4.
Rad-5 Will Not Turn Off
1. Replace System Board
2. Replace Keypad
If unable to repair unit, then please call (800)326-4890 option #2 to arrange for
return to Masimo Corporation.