Allen-Bradley 2707-MVH232, User Manual, Page: 61 / 92

Publication 2707-UM005B-EN-P
Troubleshooting and Maintenance 8-7
When you press any key the MicroView halts and displays:
If the Core ROM checksum is correct, the MicroView displays:
3. Press any key to terminate the test. The next test selection
screen is displayed.
4. To terminate all test functions, press the [NEXT] and [PREV] keys
to display
Reset in the test selection area. Press [ ] to reset the
terminal.
System RAM Test
Use the RAM Read/Write test to verify the Random Access Memory of the
MicroView.
To perform the System RAM Test:
1. Use the [NEXT] and [PREV] keys to display System RAM on the
test selection screen.
2. Press [ ] to initiate the test.
The MicroView displays either a Pass or Fail message.
TIP
All MicroView operations will be halted after a
Core ROM failure. To reset, you can attempt a
power up cycle by disconnecting the
communications cable from the MicroView and
then reconnecting.
FATAL ERROR
Operation Halted
Core ROM: PASS
Any Key to Cont.
Diagnostic Tests
System RAM
Diagnostic Tests
System RAM
RAM: Test: PASS
Any Key to Cont.