Table of Contents
Pump ................................................................................................................... 7-6
Digital board ......................................................................................................... 7-7
PC104 board ........................................................................................................ 7-7
Analog board........................................................................................................ 7-7
Power supply board .............................................................................................. 7-8
Printer board ........................................................................................................ 7-8
System assembly diagram .............................................. 7-9
Troubleshooting ...........................8-1
System power supply measurements .............................. 8-1
Power Supply (J2).................................................................................................... 8-1
Power Supply (set +5VDC) ...................................................................................... 8-2
Analog Board (J7) .................................................................................................... 8-2
Analog Board (J6) .................................................................................................... 8-2
Analog Board (J10) .................................................................................................. 8-3
Digital Board (J28) ................................................................................................... 8-3
Digital Board (J34) ................................................................................................... 8-3
Printer Board (Full View) ......................................................................................... 8-4
Printer Board (J6)
.................................................................................................... 8-4
Printer Board (J4)
.................................................................................................... 8-4
Printer Board (J8)
.................................................................................................... 8-5
Pressure Potentiometer (Digital Board) ................................................................. 8-5
Error Codes ..................................................................... 8-6
CP Error codes ........................................................................................................ 8-6
SP Error codes....................................................................................................... 8-16
Error Messages.............................................................. 8-19
LCD problem symptoms and probable causes .............. 8-22
Probe problem symptoms and probable causes ............ 8-22
Pump problem symptoms and probable causes ............ 8-23
Printer problem symptoms and probable causes ........... 8-23
Hardware Diagnostic mode............................................ 8-24
Functional description ........................................................................................... 8-24
Pressure A/D MUX ................................................................................................. 8-24
Mic
. MUX................................................................................................................. 8-25
Probe tone and filter mode ................................................................................... 8-25
DAC levels .............................................................................................................. 8-25
Routing ................................................................................................................... 8-25
IPSI/CONTRA and OSC l/OSC 2 ............................................................................ 8-26
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