Boston Scientific Corporation CRM312004 Manuel D’Utilisation

27

If the PRM does not operate properly, check that electrical cords and ca-
bles are securely connected and that cords and cables are in good work-
ing order (i.e., free of visible defects). Table 2 indicates possible causes 
and corrective actions for PRM problems. For external printer problems, 
refer to the manual for the external printer.

Internal printer/
recorder does 
not function

No AC line voltage

Check that power cord is 
plugged securely into the rear 
panel of the PRM.

Change to a different electrical 
outlet.

Paper jam

Clear paper path of any 
obstruction.

Internal printer/
recorder: paper-
feed problems

Paper 
misaligned

Reload paper.

Paper-feed
obstruction 

Clear obstruction from around 
the paper supply.

Internal printer/
recorder: no 
print visible

Paper loaded upside 
down

Reload paper. (See “Loading 
the Paper” on page 17.)

No analog 
output

Using incorrect output 
port and/or 
connections

Recheck connection of the 
Model 6924 External Recorder 
Cable.

Patient data disk 
error

Using disk created for a 
previous model of PRM 
or unformatted floppy 
disk

Use only Guidant Model 6627 
Patient Data Disks.

Write-protect tab open

Close write-protect tab.

Noise problems: 
ECG

Improper patient 
connections

Recheck patient leads for 
adequate skin contact and 
correct limb lead placement.

“Noisy” equipment

Check surrounding area for 
equipment with excessive radio 
frequency emissions. Move 
unneeded equipment away 
from patient and/or PRM, or 
turn off unneeded equipment. 
Consult ECG textbooks for 
additional ECG techniques.