GE Marquette MAC 1200 Operator's Manual page 54

Symptom: In 12 Lead Mode, the recorder does
not stop and continues to feed paper.
This does not happen in 6 Lead Mode.
Cause: The paper pad was inserted the wrong
way round so the recorder cannot
detect the queue mark.
Remedy: Insert the paper pad as instructed.
Symptom: Recorder does not start after
activation of the
recording is aborted.
Cause: Recorder operating on battery power,
battery depleted.
Remedy: Connect recorder to the power line.
After a few minutes, the recorder is
able to resume operation. Always
connect recorder to the power line
when the battery low indicator 22
lights up. The battery capacity
depends on age, temperature and
charge level (chapter 3 "Putting the
Device into Operation").
Symptom: No recording in 12 Lead Mode
Cause: At least one electrode is off the patient.
Remedy: Check all electrodes or enable
Override function (section 9.2
"12 Lead Mode").
54
Troubleshooting
key, or the
MAC® 1200 227 492 04-C