Tr
oubleshooting
ClosureRFG Radiofrequency Generator
8-3
Technical Assistance
Impedance low
(not displayed)
Saline in catheter
connector and/or
receptacle
Check for presence of saline. If present, contact
Covidien Customer Service. (Caution: Take care
never to plug a wet catheter connector into the
receptacle, as this may damage the ClosureRFG
generator).
Short circuit
Replace catheter.
Impedance high
(not displayed)
Open circuit
Check catheter connection (disconnect and then re-
connect).
ClosureFast
Catheter
Difficulty
Possible Cause
Corrective Action