User Diagnostics; Emergency Shutdown; Unusual Or Erratic Operation; Troubleshooting For Operators - Xantrex XFR 7.5-140 Operating Manual

User Diagnostics

If your power supply is not performing as described in this 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
In an emergency, carry out both of these steps:
Shutdown
1. Shut the power supply OFF immediately.
2. Disconnect the power supply from the load.
Unusual or If the power supply displays any unusual or erratic operation, follow these steps:
Erratic
1. Shut the power supply OFF immediately.
Operation
2. Disconnect the power supply from the load.
3. Test the power supply with no load, running the tests in "Functional Tests" on
page 43.
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.
Use the checks in Table 3.4 to ensure that the power supply is configured and
Troubleshooting
connected for normal operation. If you need any further troubleshooting, call your
for Operators
service technician.
Abbreviated References Used in Table
ACF
OTP
OVP
REM
S/D
Release 3.1
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AC Fail
over temperature protection
over voltage protection
remote mode
shutdown
Local Operation
User Diagnostics
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