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Local Operation
User Diagnostics
Release 2.1 71
User Diagnostics
If your power supply is not performing as described in this operating manual, run
through the procedures and checks in this section before calling your service
technician. These procedures are confined to operator-level functions only and do
not require cover-off servicing.
Emergency
Shutdown
In an emergency, carry out both of these steps:
1. Shut the power supply OFF immediately.
2. Disconnect the power supply from the load.
Unusual or
Erratic
Operation
If the power supply displays any unusual or erratic operation, follow these steps:
1. Shut the power supply OFF immediately.
2. Disconnect the power supply from the load.
3. Test the power supply with no load, running the tests in Functional Tests.
4. If the tests show that the power supply is functioning normally, check all load,
programming, and monitoring connections and circuits.
5. Check the AC input for correct voltage and frequency.
If the problem is not solved after following this procedure, or if the unit fails to
operate correctly upon retesting, call your service technician.
Turn to the next page for more information about troubleshooting for operators.
Troubleshooting
for Operators
Use the checks in Table 3.4 to ensure that the power supply is configured and
connected for normal operation.
Abbreviated References Used in Table
ACF AC fail
OTP over temperature protection
OVP over voltage protection
REM remote mode
S/D shutdown