Faults and alarms, Manually clear faults, Faults and alarms manually clearing faults – Rockwell Automation 20C PowerFlex 700H Drives Programming User Manual
Page 63
Rockwell Automation Publication 20C-PM001F-EN-P - March 2012
63
Troubleshooting
Chapter 3
Faults and Alarms
A fault is a condition that stops the drive. There are three fault types.
An alarm is a condition that, if not addressed, may stop the drive. There are two
alarm types.
Fault and Alarm Descriptions on page 64
.
Manually Clear Faults
Type
Fault Description
1
Auto-Reset Run
When this type of fault occurs, and [Auto Rstrt Tries] (see
) is set to a value
greater than “0,” a user-configurable timer, [Auto Rstrt Delay] (see
) begins.
When the timer reaches zero, the drive attempts to automatically reset the fault. If
the condition that caused the fault is no longer present, the fault will be reset and the
drive will be restarted.
2
Non-Resettable
This type of fault normally requires drive or motor repair. The cause of the fault must
be corrected before the fault can be cleared. The fault will be reset on power up after
repair.
3
User Configurable
These faults can be enabled/disabled to annunciate or ignore a fault condition.
Type
Alarm Description
1
User Configurable
These alarms can be enabled or disabled through [Alarm Config 1] on
.
2
Non-Configurable
These alarms are always enabled.
Step
Key(s)
1. Press Esc to acknowledge the fault. The fault information will be
removed so that you can use the HIM.
2. Address the condition that caused the fault.
The cause must be corrected before the fault can be cleared.
3. After corrective action has been taken, clear the fault by one of these
methods.
– Press Stop
– Cycle drive power
– Set parameter 240 [Fault Clear] to “1.”
– “Clear Faults” on the HIM Diagnostic menu.
Esc