Cosman G4, Руководство по обслуживанию

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Cosman G4 Radiofrequency Generator Service Manual (SPI
11291
Rev A)
Section 11
11. Troubleshooting
Problem Possible Cause
Generator will not turn on by Mains Power
switch
•
Bad AC outlet
•
Defective power cord
•
Blown fuses
No response when button is pressed
•
Button has no function in current
operating mode, e.g. Start button only
functional on Stimulation, Thermal RF,
and Pulsed RF screens
•
Button stuck in depressed possible (Error
message & alarm will sound)
•
Button is broken
No response when Touch Screen is
pressed
•
Touch Screen is not calibrated (See
Section 5 & 5.2)
•
Region of screen contains a “disabled”
(grayed-out) button or no button
•
Touch screen is broken
•
System software error
Short Circuit Error •
Electrode in contact with reference
structure, such as ground pad
•
Bipolar electrodes in contact with each
other
•
No electrode output
•
No Impedance Reading (“--- Ω ”)
•
Open Circuit Error
•
No ground connection
•
Problem with electrode
•
Break on electrode cable
•
No Temperature Reading (“-- °C”)
•
No Temperature Error
•
Problem with electrode
•
Break on electrode cable
Voltage or Current does not increase
automatically when electrode output is
turned on
•
Auto Ramp setting is “Off” (see Sections
8.1.2, 8.2.2 & 8.3.2 for Graphing
interface; 9.1.2, 9.2.2 & 9.2.4 for One
Touch interface)
Stimulation, Thermal RF, or Pulsed RF
output will not turn on •
Output Control Knob not in minimum
position
•
Open or Short Circuit Impedance reading
•
No Temperature on electrode or
•
Temperature below 10 °C
•
Temperature above 100 °C, Set Temp, or
Max Temp setting.
•
Electrodes attached to generator do not
match Electrode Setup
Stimulation, Thermal RF, or Pulsed RF •
Open or Short Circuit Impedance reading