How To Power Up The Controller; Table 5-1 Power Up Diagnostic Tests - Honeywell UDC 3300 Product Manual

5.2 How to Power Up the Controller

Apply power
Diagnostic tests
Test failures
Troubleshooting
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When power is applied, the controller will run three diagnostic tests. All
the displays will light and then the controller will go into automatic mode.
Table 5-1 lists the three diagnostic tests.
Table 5-1
Prompt on Lower Display
RAM TEST
CONFTEST
CAL TEST
If one or more of these tests fail, the controller will go to the Fail-safe
Manual Mode, and "FAILSAFE" will flash in the lower display.
If the output type is Position Proportional, and AUTO-CAL has never
been done, a prompt "CAL MTR" will appear suggesting that the
controller be calibrated.
Refer to "STATUS TESTS" in Section 9 - Troubleshooting to identify and
correct the problem.
UDC 3300 Controller Product Manual
Power Up Diagnostic Tests
Condition
Check RAM
Check Non-volatile Memory
Check Calibration
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