Service procedures
8-11
Document no. 2044677-001
4 Service procedures
4.1 General service information
The field service of the Extension Modules is limited to replacing faulty circuit boards or
mechanical parts. The circuit boards should be returned to GE Healthcare for repair.
GE Healthcare is always available for service advice. Please provide the unit serial number, full
type designation and a detailed fault description.
CAUTION Only trained personnel with appropriate equipment should perform the tests
and repairs outlined in this section. Unauthorized service may void warranty of
the unit.
CAUTION The module electronics can only be repaired and calibrated at the factory.
4.1.1 MiniC measuring unit
WARNING The miniC measuring unit and its components are repaired/calibrated at
the factory. Attempts to repair/calibrate the unit elsewhere will adversely
affect operation of the unit. The information provided is for reference only.
WARNING Handle the water trap and its contents as you would any body fluid.
Infectious hazard may be present.
Serviceable parts
• Mini D-fend
• Mini D-fend O-rings
• Nafion tube
• Air filter
• Pump
NOTE: After any component replacement, see chapter “Adjustments and calibrations”.
Calibration interval six months. Preventive maintenance once a year including the change of
Nafion tube and the O-rings of water separator, pump check and calibration, leak test and
absolute pressure sensor check.
4.1.2 Recorder unit
Serviceable or exchangeable parts
• Recorder board
• Thermal plotter
4.2 Service check
These instructions include complete procedures for a service check. The service should be
performed after any service repair. Additionally, the service check procedures can also be used
for determining possible failures.
The procedures should be performed in ascending order.
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