Fault History During Monitor Mode - Honeywell CM4 Technical Handbook

CM4 Four-Point Continuous Monitor

4.2.6 Fault History During Monitor Mode

Use the fault history function to print and display the four most recent
faults and alarms. See Figure 4-2.
To print and display the fault history, press ENTER followed by 0.
The fault history is printed (if printer is installed) and displayed showing
the most recent fault first. The display will scroll through each fault.
Use the cursor keys to advance through each fault.
The printout of the fault history shows the most recent fault first for up
to eight total faults. The printout includes:
• Instrument serial number
• Current date and time
• Customer name and location
• Fault number (Fxx)
• Fault type
• Fault date and time
The CM4 sends the fault history to the printer.
02/29/05 14:23 CM4-851-0006 FAULT HISTORY
ABC MANUFACTURING CO., Kansas City, MO
02/29/05 14:22 F37
02/29/05 14:22 F27
02/29/05 14:19 F39
END OF FAULT HISTORY
Figure 4-2: Typical Fault History Printout
The display returns to normal 20 seconds after the last keypad
entry.
Pressing RESET does not clear fault history.
CM4 Technical Manual
TRANSPORT ERROR
FLOW FAILURE PT1
LOSS OF FLOW PT4
4.2.7 Display Point Flows During Monitor Mode
Use the display point flows to check sample flows without leaving
monitor mode. To set or check the sample flows, press ENTER followed
by 5. The four flows will be displayed in real time along with the up or
down arrows if they are out of tolerance:
173
The display will update once per second. The display will revert to
normal operation after 20 seconds or after RESET is pressed.
4.2.8 Advance Chemcassette Tape During Monitor Mode
Press the CURSOR RIGHT ARROW twice to advance the tape and
view the stain pattern while remaining in Monitor Mode. Display lock-on
and point lock-on remain active during this procedure. TWA information
is uninterrupted.
4.3 Program Mode
To access Program Mode:
1. Press PROGRAM from Monitor Mode. The CM4 displays the
message:
END MONITOR? 1=Y 0=N
2. Press 1 to end Monitor Mode and go to Program Mode.
If you do not press 1 within three seconds, the CM4 returns to Monitor
Mode.
The CM4 goes to Program Mode and displays:
SELECT PROGRAM
Press CURSOR ARROW LEFT/RIGHT to select items from the four
program menus.
4-5
189
165
182