Troubleshooting
Check
Action
Is the green
ON/
READY
LED lit?
If no: The auxiliary 230 VAC or 24 VDC supply is faulty.
Is the red
ON/
READY
LED lit?
If yes: There is an EEPROM fault.
Is the red
ON/
READY
LED
blinking?
If yes: The hardware configuration is incorrect.
Is the orange
ON/
READY
LED
blinking?
If yes: The firmware is being updated.
Is the red
LIMIT
LED lit?
If yes: The unit is unable to supply enough power to match the
setpoint due to a limiting condition. When an internal
protection limit is exceeded, the output is limited but not shut
off.
1. Disable the output.
2. Verify that the limitation setting is correct.
3. Verify that the unit load and load connections are
correct.
Is the
FAULT
LED lit?
If yes: The unit has detected a fault. This fault will generate
error data that can be viewed using the Thyro-Touch display
or the Thyro-Tool Pro PC software.
Are any red
CONTROL
LEDs
lit?
If yes: The unit has a fault in the corresponding power section.
TROUBLESHOOTING UNIT OUTPUT
Use extreme caution when troubleshooting the unit output.
DANGER:
RISK OF DEATH OR BODILY INJURY. Disconnect and lockout/tagout all
sources of input power before working on this unit or anything connected to
it.
Advanced Energy
®
Thyro-PX® Power Controller
57010148-00B
Troubleshooting and Global Services
6‑2
