Product Manual

4077-INS-LAB-RevB09 34
9 TROUBLESHOOTING
The following tables list troubleshooting solutions for potential problems. If the problem
persists, please contact your Graham-Field equipment provider.
No display
Symptom Possible Cause Solution
Power indicator is off Power cable is loose Tighten the power cable
Noise
Symptom Possible Cause Solution
Noisy operation 1)Volume set too high
2)Interference, possibly
from handset
1)Adjust volume to lower setting
2)Keep the handset or other device causing in-
terference at a distance
Recorder error
Symptom Possible Cause Solution
Paper jam 1)Paper is fed incorrectly
2)Paper is damp
1)Correct paper feed
2)Keep paper from moisture; replace with dry
paper
Recorder does not work 1)The
key is disabled
2)Out of paper
3)Ultrasound transducer
cable is disconnected
1)Press the
key again
2)Replace and feed paper
3)Connect with ultrasound transducer cable
connector
Ultrasound monitoring of FHR
Symptom Possible Cause Solution
Inconsistent trace; inconsistent
display
1)Imprecise transducer
position
2)Loose belt
3)Excessive gel
4)Insufficient gel
5)Fetal movement
6)Maternal movement
1)Reposition transducer until signal is normal
2)Tighten belt until signal is normal
3)Wipe off excessive gel
4)Use recommended gel quantity
5)Retry
6)Ensure that patient is comfortable and relaxed
Questionable FHR 1)Maternal heart rate re-
corded accidentally
2)Transducer is improperly
positioned
1)Reposition transducer until signal is normal
2)Reposition transducer until signal is normal
Faint trace; no trace Incorrect paper Use paper recommended by Graham-Field