Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019 153
Diagnostics Chapter 8
Starts per Hour 29 N Y Y F/A Starts per Hour is the maximum number of starts (user configured)
within a sliding one hour window. Once the number of starts per hour
is reached, any additional starts will cause a Fault/Alarm Code 29.
CT Loss A 30 NNN
A
F CT Loss A (Phase A) fault occurs when current feedback is
invalid. This Fault is always enabled.
B31 F CT Loss B (Phase B)
C32 F CT Loss B (Phase B)
HAL ID 33 NNN
A
F HAL ID Fault is generated if the controller determines that an
incorrect (incompatible) power pole is installed. This Fault is always
enabled.
NVS Error 34 N N N
A
F Indicates an error in the SMC-50 control module ‘s nonvolatile
memory storage. Clearing the Fault requires a change to the parameter
or loading defaults (preferred). It is not cleared by cycling power. This
Fault is always enabled.
Future Use 35 Future use.
V24 Loss 36 N N N
A
F Indicates that the voltage level of the SMC-50 control module‘s
internal 24V DC supply which provides power to the control module
logic and on-board 24V DC I/O has fallen outside of the allowable
range. This Fault is always enabled.
VControl Loss 37 NNN
A
F Indicates that the control voltage level of the user-applied control
voltage has fallen outside the allowable upper or lower limit. This Fault
is always enabled.
TB Input 1 38 N N N
A
F Occurs when the Control Input is configured to generate a Fault and
the input condition (N.O. or N.C.) is satisfied.
239
340
441
Current Imbal 42 YYYF/A Exists when the calculated imbalance level is equal to or greater
than the user-defined Fault/Alarm level.
Under Power Real 43 YYYF/A Occurs when the Real
Power:
falls below the user-defined fault/alarm
level.
Over Power Real 44 Y Y Y rises above the user-defined fault/alarm
level.
Un Power Reac + 45 Y Y Y F/A Occurs when the
Reactive Power +:
falls below the user-defined fault/alarm
level.
Ov Power Reac + 46 Y Y Y rises above the user-defined fault/alarm
level.
Under Power App 47 Y Y Y F/A Occurs when the
Apparent Power+:
falls below the user-defined fault/alarm
level.
Over Power App 48 Y Y Y rises above the user-defined fault/alarm
level.
Frequency 49 YYYF/A Occurs if the line frequency goes above or below the user-defined
frequency high or frequency low Fault/Alarm level.
PM Hours 50 N Y Y F/A User-defined value which sets the number of elapsed hours (actual
operating hours of the motor) before a fault/alarm is signaled
indicating that preventive maintenance should be performed.
PM Starts 51 N Y Y F/A User-defined value which sets the number of starts before a fault/
alarm is signaled indicating that preventive maintenance should be
performed.
Table 57 - Linear Listing—Fault and Alarm Code Overview (Continued)
Fault/Alarm
Code Name
F/A Code
Time Delay Avail.
F/A Bit Enable
Restart Enable
Description
F/A= Fault and Alarm, A= Alarm, F= Fault
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