Del Medical EPEX Omniflex IV, Service Manual

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EPEX/Omniflex IV System Service Manual
7-10 Diagnostics and Troubleshooting
Responding to Error Messages
Error codes at the system level, possible causes, and recommended action
to remedy the problem are detailed in Table 7-2.
Table 7-2.
System-Level Error Codes
Error Error Type Possible Cause Recommended Action
A0 Undetermined mAs • Undetermined mAs; the
exposure was aborted
• Premature release of the
X-ray exposure switch will
cause a lower mAs exposure
• HV Cables
• Tube arcing
• Rotors not running correctly
1. Connect the mAs Meter.
2. Connect the scope; expose, view kV and
mA waveforms.
A1 DirectRay Detector
Orientation Fault • Orientation/sensing signals
crossed
• Check for SCSI errors
1. Verify Bucky has power.
2. Verify DirectRay Detector limit switches
and analog array orientation signal from
the Bucky.
3. Verify Generator Panel M1.
4. Verify Generator Panel N1 connector J4
Pin 18 and 19 have signals and J3 has
signals.
5. Verify Tube Stand Panel J2 has signals
on Pin 5, Pin 1, Pin 9 for long signals;
and Pin 10, Pin 2, and Pin 11 carry cross
signals.
6. Verify I/O Board TP16 has long signals
and TP18 carries cross signals.
A2 Door Interlock Fault • Safety circuit tripped Ensure the door Safety Interlock Switch is
closed.