GE Medical Systems Corometrics 340 Service Manual page 73

Problem
Erratic FHR/UA recording.
Monitor FHR and UA displays do not light
when transducers are plugged into
transmitter.
Transmitter "chirps" every 4–5 seconds.
Revision A
Troubleshooting: Problem Chart
Table 7-1. Troubleshooting (Continued)
Probable Cause
n
Transducer not properly placed.
n
Transducer not properly connected to
transmitter.
n
Receiver interconnection cable(s) not
properly attached.
n
Receiver interconnection cable(s)
defective.
n
Wrong interconnection cable(s) in use.
n
Radio frequency interference.
n
Another transmitter with the same
frequency is in use within the same
facility.
n
Exceeding transmission range.
n
Shielding effect of hospital structure.
n
Monitor, transmitter, and/or receiver
off.
n
Receiver interconnection cable(s) not
properly attached.
n
Receiver interconnection cable(s)
defective.
n
Wrong interconnection cable(s) in use.
Transmitter batteries have less than 10
minutes of energy left.
Model 340 Telemetry System
2006920-001
Solution
n
Reposition transducer.
n
Ensure the transducer is securely
attached to the transmitter.
n
Ensure interconnection cable(s) firmly
attached to both monitor and receiver.
n
Replace interconnection cable(s).
n
Verify interconnection method.
n
Instruct patient to stay within signal
range and designated areas where
reception is clear.
n
Discontinue use of one of the
transmitters. NOTE: Model 340 Plus
and Model 340M Telemetry Systems
can be factory re-programmed to an
alternative channel number.
n
Install optional ceiling antenna system.
n
Contact your Information Technologies
Service Representative.
n
Ensure all three devices are turned on.
n
Ensure interconnection cable(s) firmly
attached to both monitor and receiver.
n
Replace interconnection cable(s).
n
Verify interconnection method.
Replace the batteries. Dispose of used
batteries according to the manufacturer's
instructions.
7-3