Rockwell Automation 1336 3-20HP FRN 1.01-3.01 - Manual (Page 100)

Fault Codes
Chapter 10
10-9
EEPROM Error
Freq P R
A fault has been detected originating from the Main Control Board. Check
all wire and cable connections to the Main Control Board. Replace the
Main Control Board if required.
Retries Exceeded
Freq P R
The number of drive restart attempts set by Parameter 85 has been
exceeded. The fault must be cleared and the drive manually reset by
cycling power to the drive.
Boost Error
Freq P R
An attempt has been made to set Parameter 83 (Run Boost) to a value
greater than Parameter 48 (Start Boost).
Negative Slope
Freq P R
Logic has detected a negative slope on the V/Hz curve.
Compare Parameters 18 and 50.
Parameter 18, Base Voltage, must be equal to or greater than Parameter 50,
Break Volts.
Compare Parameters 48 and 50
Parameter 50, Break Volts, must be equal to or greater than Parameter 48,
Start Boost.