| PROBLEM |
CAUSE |
SOLUTION |
| Monitor will not turn on |
Blown fuse(s)
Faulty power switch
Mains power off, battery flat
Faulty Main Board
|
Replace fuse
Replace if required
Restore mains to charge battery and operate monitor. Replace battery if required.
Replace if required
|
| Poor quality ECG |
Various operational problems
Faulty Patient Cable
Faulty ECG Input module - test with simulator and known good cable
Uncalibrated Main Board
Faulty Main Board
|
Refer to the User Manual
Repair or replace cable
Replace ECG Input module
Adjust Common Mode and Gain trimpots on Main Board
Replace Main Board
|
| Incorrect Blood Pressure readings |
Leaking cuff/air hose/connector
Damaged air tubing inside the monitor
Faulty or uncalibrated NIBP module
Faulty Multiparameter Controller module
Faulty Main Board
|
Repair or replace
Repair or replace
Replace NIBP module or return to supplier for calibration
Replace MP module
Replace Main Board
|
| Incorrect SaO2 readings |
Faulty or incompatible probe
Loose or damaged internal cable
Faulty SaO2 module
Faulty Multiparameter Controller module
Faulty Main Board
|
Replace probe
Repair or replace cable
Replace SaO2 module
Replace MP module
Replace Main Board
|
| No CRT display |
Brightness set too low
Loose or damaged internal cable
No EHT supply
Faulty Yoke
Faulty CRT
|
Adjust trimpot on Main Board
Repair or replace cable
Replace Main Board
Repair or replace
Replace tube
|
| Key or keys not working |
Faulty membrane keypad
Loose or damaged internal cable
Faulty Multiparameter Controller module
Faulty Main Board
|
Replace keypad
Repair or replace cable
Replace MP module
Replace Main Board
|
| External communication problem |
Incorrect Baud Rate setting
Faulty Multiparameter Controller module
Faulty Main Board
|
Select correct rate using link on MP module
Replace MP module
Replace Main Board
|