Section 12: Troubleshooting; The Electronics Do Not Switch On When Powered - Emerson Bettis XTE3000 Installation, Operation And Maintenance Manual

Section 12: Troubleshooting

October 2019
Section 12: Troubleshooting
This section assumes that the XTE3000 has passed a functional test performed by Emerson
quality assurance personnel.
WARNING
Installation, configuration, commissioning, maintenance, and repairs must be performed
by approved and qualified personnel only.
WARNING
The XTE3000 actuator is non-intrusive. The control compartment is sealed in dry and clean
conditions and contains no site-serviceable components. Do not open the control
compartment unless absolutely necessary. Unauthorized access will invalidate the warranty.
WARNING
Before performing service or maintenance operations (unless otherwise indicated), ensure
that power is turned off to the unit to avoid injury and/or damage to equipment.
If the actuator is not functioning correctly, before troubleshooting ensure that:
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If the above checks are passed, attempt to locate the fault using the diagnostic facilities.
12.1 The Electronics do not Switch on
when Powered
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94
the numeric display indicates xx %;
the local selector is not in OFF;
the mains supply voltage is the same as stated in the nameplate menu;
the local selector is moved to OFF and the alphanumeric display shows one of the
following messages:
— "normal off"
— "alarm off"
— "warning off"
— "ESD ON off"
— "INT off"
Check that the value of the mains voltage on terminals L1, L2, L3 is correct.
Remove the cover of the compartment where the electronic cards are located.
Check the fuse mounted on the power card. Replace it if burnt.
If the fuse is OK, check the wires between terminals L1, L2, L3 and connector M1 of
the power card. If the wiring is correct, replace the power card.
Installation, Operation and Maintenance Manual
MAN-02-04-97-0713-EN Rev. 1
Troubleshooting