Uson 628 - Page 70

7-6 Uson 628 Operator’s Manual
Differential
Zero
The Differential sensor zero reading check performed by the auto zero step
was not within the expected limits. Check the test part is fully vented and
consider increasing the vent time or delay between tests if repeat testing
parts. If the error persists contact Uson support for further information.
Equal Valve
Error
The test cycle was aborted due to the equal valve not being in the correct
position at the start of the test cycle or measure step invalidating the test.
Repeat test and if the error persists contact Uson support.
Gauge Zero
Gauge sensor zero reading check performed by the auto zero step was not
within the expected limits. Check the test part is fully vented and consider
increasing the vent time or delay between tests if repeat testing parts. If the
error persists contact Uson support for further information.
Gross
The test component was rejected during the stab step as the pressure need
did not meet the minimum limit (i.e. Test Pressures - Pressure Tolerance)
requirement; this may occur occasionally for gross leaking components. If
the problem persists, check the following: Test port and Test part
connections are secure and leak tight; the Pressure Regulator, Tes t
Pressures and Tolerance are set to the required settings; the Fill Time is
sufficient to achieve the required test pressure.
Invalid Test
Cycle
An invalid test cycle type was selected for the test program selected. Select
Run Mode Cycle option and check Normal is selected. Note Comp and Cal
options are only valid when the program options are enabled.
Max Limit
The test part was rejected as the leak exceeded the measure step +Reject
limit. If this is a persistent problem check the test port and test part
connections are secure and leak tight, the +reject limit and the measure step
time are correct, and the test setup using a known leak tight component
reports pass conditions.
Min Limit
The test part was rejected as the leak did not exceed the measure step -
Reject limit. If this is a persistent problem check the ref port connection is
secure and leak tight, the -reject limit and the measure step time are correct,
and the test setup using a known leak tight component reports pass
conditions.
Operator
The test cycle was aborted by the operator using the front panel abort button
or remote abort input when enabled.
Over Pressure
The test pressure exceed the selected program’s maximum pressure limit
(i.e. Test Pressures + Pressure Tolerance) during the test cycle. Check the
Pressure regulator, Test Pressures are set to the required settings.
Program
Number Error
An invalid program number was selected for the test cycle and must be 1 to
30. Check the program number and name displayed is valid, for remote
selections check the remote input connections and the setup Program
selection method is set the required coding format (i.e. BCD or Binary) refer
to user manual for more information.
Valve Error
A problem with the pneumatic control valves was detected during the test
cycle invalidating the test. Repeat test and if the error persists contact Uson
support.
Message Solution