Troubleshooting
ARGUS VCM
Display
The followings are symptoms of problems relating to non-functioning displays, and
recommended actions. If the action requires replacement of a PCB assembly or module,
refer to
Disassembly Guide
.
1. Display is totally black (no data is visible) after system powers up.
1-1. Replace Main BD.
1-2. Replace FND module.
2. Not all display segments light during POST.
2-1. Verify that Main BD connector is properly connected to FND module.
2-2. Replace FND module if problem persists.
2-3. If problem persists, replace Main BD after FND module replaced.
3. Values are erratically displayed after system powers up.
3-1. Verify that Main BD connector is properly connected to FND module.
3-2. Replace FND module if problem persists.
3-3. If problem persists, replace Main BD after FND module replaced.
4. No visual alarm displayed during alarm condition.
4-1. Ensure that alarm limits are properly set.
4-2. Ensure that patient type is correctly set.
4-3. Ensure that patient measurement cables are properly connected and placed.
4-4. Replace Main BD if problem persists.
4-5. Replace acquisition modules (NIBP, SpO
2
or Temperature) if problem persists.
Sound
The followings are symptoms of problems and recommended actions relating to sound.
If the action requires replacement of a PCB assembly or module, refer to
Disassembly
Guide
.
1. Audible tones do not sound after system powers up.
1-1. Verify that Speaker is working properly. If necessary, replace Speaker.
1-2. Check the connection of 2-pin wire between Speaker and Main BD.
1-3. If problem persists, replace Main BD.
2. Sound volume is too low to be heard.
2-1. Check if a level of volume is set to minimum value.
Refer to page 30, 31 in the operator’s manual.
2-2. Adjust the trim-pot (R117) on Main BD.
2-3. If problem persists, replace Main BD.
3. Audible tones sound, but a level of sound volume does not change even a level is
set to 8.
3-1. Adjust the trim-pot (R117) on Main BD.
3-2. If problem persists, replace Main BD.
ARGUS VCM
Service Manual 37
