CM4 Four-Point Continuous Monitor
CM4 Technical Manual
8-7
8.4 Function 4.3 – Diagnostics
Purpose
Use the diagnostics function to print and display a report that shows
the software revision number and checksums.
Also use this function to perform a diagnostic check on all circuit boards
in the system, including a check of:
• Valves for shorts and opens
• Power supply levels
• Flow transducer operation
• Optics drive values
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. From the 4–SERVICE MENU, Choose the subfunction
3–DIAGNOSTICS.
4 – SERVICE MODE
3 – DIAGNOSTICS
The display reads:
PRINT REPORT 1=Y 0=N
3. Press either:
• 1 to print and display the report
or
• 0 to display the report.
4. Press CURSOR ARROW LEFT/RIGHT to move the cursor
forward/backward through the data. The CM4 shows a
sequence of displays:
Software version and flash memory kernel
SW 1: P303 K11
Gas calibration table version
SW 2: G131
Firmware checksums
SW 3: P=6723 P=5495
Real-time raw optics counts
2317 1844 1439 1168
Tape windows remaining
CC WINDOWS = 0000
Real-time position of tape advance sensor and count of extra windows
pulled
Tape POS000000 EW 0
Power supply voltages
PS 123 50 02 242
Optics DAC drive values
DRV 083 074 103 094
Q calibration factors
1005 0905 0953 0875
Flow transducer offsets
FO 005 055 059 070
Flow transducer coefficients
FF 100 100 100 100
Neuron ID of L
on
W
ork
s interface (if fitted)
NEURON NOT DETECTED
or
LON ID= 123456789012
Pump limit settings
LIMITS HI=500 LO=350
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