Power-Up Tests; Table 7-3 Power-Up Tests - Honeywell UDC3300 Product Manual

7.3

Power-up Tests

What happens at
power-up
Test failures
1/01
When the controller is powered-up, three tests are run by the UDC3300
software to ensure memory integrity.
As the tests are run, the displays will appear as shown in Table 7-3.
Table 7-3 Power-up Tests
Lower Display
RAM TEST
CONFTEST
CAL TEST
If any of these three tests fail, "FAILED" will appear momentarily in the
upper display, then a display test is run, after which the controller will go
into manual mode and you will see:
Upper Display
PV value
Lower Display
(blinking)
FAILSAFE
Refer to "Status Tests" to determine which tests have failed and how to
correct them.
UDC3300 Limit Controller Product Manual
Upper Display
PASS or FAIL
PASS or FAIL
PASS or FAIL
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