F9 Fetal & maternal Monitor Service Manual Troubleshooting
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Bad connection between DECG
module, bottom interfaces board
and main control board.
Check the connection.
DECG board defective. Replace DECG board.
DECG EQUIP MALF
Main control board defective. Replace main control board.
8.9 FHR/TOCO Monitoring Failures
Phenomenon Possible Cause Solution
Bad connection of the
transducers.
Check the connection.
US Transducer defective. Replace the transducer.
FM module defective. Replace the FM module.
No FHR/TOCO trace or
numeric value.
Main control board
defective.
Replace the main control board.
Loudspeaker defective. Replace the loudspeaker.
US transducer defective. Replace the US transducer.
Lower heart beat or no
sound.
Main control board
defective.
Replace the main control board.
FM module defective. Replace the FM module.
Inaccurate measurement
values.
Main control board
defective.
Replace the main control board.
8.10 DECG/IUP Monitoring Failures
Phenomenon Possible Cause Solution
Bad connection of cables. Check the connection.
Cables defective. Replace the cables.
DECG module defective. Replace the DECG module.
No DECG/IUP trace or
numeric value.
Main control board
defective.
Replace the main control board.