Advanced Energy HFV 8000, User Manual

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5705211-C Troubleshooting and Global Customer Support 6-3
HFV 8000 Generator
Fault Indicator On
This indicator latches on whenever the unit detects an overtemperature, RF On
sequence error, or input line out of voltage range condition. If this fault occurs, the
unit automatically shuts off the front panel LCD and displays the detected fault:
Top line—*****FAULT*****
Bottom line—[Type of fault]
OVERTEMPERATURE FAULT
An overtemperature fault will display in the event of a complete loss of coolant.
Verify the
Water In and Water Out connections are connected with the water
flowing in the correct direction. Make sure the inlet water temperature is +15ºC to
+30ºC (+59ºF to +86ºF) and that the flow rate is greater than 11.4 lpm (3 gpm). Also,
make sure you meet the specifications described in
“Environmental Specifications” on
page 3-8 and in Table 3-5 on page 3-8 . After the generator cools, restore operation by
cycling the RF output enable command.
If these procedures do not help solve your problem, contact AE Global Customer
Support (see
“AE Global Customer Support” on page 6-10 ).
RF ENABLE WITHOUT INTERLOCK FAULT
RF power will not turn on if the RF enable signal is enabled before setting the
interlock. For proper operation you must set the interlock first, then the RF enable.
If this procedure does not help solve your problem, contact AE Global Customer
Support (see
“AE Global Customer Support” on page 6-10 ).
INPUT LINE FAULT
An input line fault occurs when the input voltage is out of range. Measure the line
voltage with a true RMS voltmeter and make sure it is between 178 to 229 VAC
between all three phases.
If the line voltage is within tolerance, cycle the RF output enable command to clear
the fault and try operating the supply again.
If the fault reoccurs, there is either an internal failure or an external voltage spike.
• Internal failure
In this case, run the Internal Diagnostics program. See “Running Internal
Diagnostics” on page 5-18 .
• External voltage spike
In this case, try monitoring the line voltage for spikes.