OPERATION & MAINTENANCE MANUAL TMS2000/3000
TMS Operations and Maintenance Manual.docx February 12, 2018
PAGE 7
SECTION 2 – OPERATION
2.1 POWER-UP SEQUENCE
Upon application of AC power, the TMS performs a series of tasks prior to normal operation. These include the
following:
1. A self-test to verify integrity of both system program and data memories, system I/O, and data acquisition interface
electronics. Display is blank during this process.
2. Retrieval and verification of configuration and set-up data.
Display shows “rEAding / Config“ (Reading / Configuration).
3. System initialization, including pre-start-up calculations.
Display shows "system / Init" (System / Initialization).
4. Visual display and audible alarm check.
Display activates all LEDs including numeric display, Alarm and Units LEDs, and audible alarm beeps twice.
5. Begin normal operation, display any error messages. For a description of system error, warning and info messages,
refer to Appendix A.
Note: In cases where the TMS power has been turned off for more than one to two minutes, a power-up sequence
will generate the following warning message on the display and a similar message on the optional front panel impact
printer, "Warn21 / Pwr faiL" Warning 21, Power Failure.
This message is normal, and is just informing the user that the TMS has detected a power failure. This condition can
be acknowledged by the user by holding the MODE button until the TMS beeps once while the message is displayed.
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