Bad Cal Eeprom Fault; Devicenet Faults - Advanced Energy HFV 8000 User Manual

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If these procedures do not help solve your problem, contact AE Global Customer
Support (see

BAD CAL EEPROM FAULT

A fault of this type occurs when the calibration data stored on the measurement card's
EEPROM has been lost or corrupted. A snapshot of the calibration data is taken in the
form of a checksum and is stored on the EEPROM during initial testing. A new
checksum is calculated every time the generator is turned on. If these two checksum
values differ, a fault will occur. If this failure occurs please contact AE Global
Customer Support (see

DEVICENET FAULTS

Two failure modes can occur relating to the DeviceNet card:
Loss of communication
A loss of communication can occur between the DeviceNet card and the
network. The DeviceNet card handles communication failures, and such failures
will not display on the HFV front panel. Please see the DeviceNet section for
further troubleshooting details.
To return the unit to Generator User port control:
4 Disconnect the DeviceNet cable.
4 Cycle the power on the HFV generator. With the cable disconnected, the HFV
generator will default to Generator User port control.
Loss of power
Loss of power to the DeviceNet card (which the network supplies) will result in a
fault condition that displays on the HFV front panel. This is a self-recovering
fault; if the power is restored to the DeviceNet card and the network is still
active, the fault will clear within 10 seconds and communications will resume.
If the fault persists:
4 Check the DeviceNet cable connections at both ends. Restore any loose
connections and wait for the fault condition to clear.
4 Disconnect the DeviceNet cable at the HFV. Verify that the voltage between
pins 2 and 3 on the cable side is between 11 and 25 volts.
4 If the cables are in place, the voltage is present, and there is still a fault
condition, contact AE Global Customer Support (see
Support" on page
To clear the fault and return to Generator User port control:
4 Disconnect the DeviceNet cable.
6-4
"AE Global Customer Support" on page
"AE Global Customer Support" on page
6-10).
Troubleshooting and Global Customer Support
6-10).
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