Control Techniques Epsilon EP-I Reference Manual page 121

Display
Fault Descriptions
This fault indicates that the firmware checksum has failed. From the Tools menu, Flash Upgrade to reprogram/upgrade the
firmware stored in flash memory. If this problem persists, call Control Techniques. A common cause would be an interrupted
F/W Flash upgrade (cable disconnected in the middle of an upgrade process).
Indicates the drive IGBT temperature has reached 100ºC (212ºF).
This fault indicates that the power-up self-test has failed. This fault cannot be reset with the reset command or reset button.
At power-up the drive tests the integrity of the non-volatile memory. This fault is generated if the contents of the non-volatile
memory are invalid.
Epsilon Only
If this occurs call Technical Support at Control Techniques.
The FM was not on this drive during its previous power-up and it is not known if the setup data in the FM matches the drive
and motor to which the FM is now attached.
Fault
Encoder Hardware
Motor Overtemp
RMS Shunt Power
Overspeed
Following Error
(Position mode) (Pulse mode)
Travel Limit +/-
All "On"
Diagnostics and Troubleshooting
Action to Reset Bridge Disabled
Cycle Power or Cycle
Yes
Logic Power
Allow Motor to cool down,
Yes
Reset Button or Input Line
Reset Button or Input Line Yes
Reset Button or Input Line Yes
Reset Button or Input Line Yes
Auto No
Normally "On" for one
Yes
second during power up
Flash Invalid
Drive Overtemp
Power Up Test
NVM Invalid
Invalid Configuration
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