Rockwell Automation 20M LPM15 Liquid-Cooled Adjustable Frequency AC Drive FRN 2.xxx - Manual (Page 90)

4-8 Troubleshooting
Table 4.D Alarm Cross Reference – by Number
Common Symptoms and
Corrective Actions Drive does not Start from Start or Run Inputs wired to the terminal block.
Drive does not Start from HIM.
VHz Neg Slope 24
➁
[Torq Perf Mode] = “Custom V/Hz” & the V/Hz slope is negative.
Waking 11
➀
The Wake timer is counting toward a value that will start the drive.
(1) See page 4-1 for a description of alarm types.
No.
(1)
(1)
Alarm numbers not listed are reserved for future use.
Alarm No.
(1)
Alarm No.
(1)
Alarm
1 Precharge Active 10 Decel Inhibt 23 MaxFreq Conflict
2 UnderVoltage 11 Waking 24 VHz Neg Slope
3 Power Loss 17 Dig In ConflictA 25 IR Volts Range
4 Start At PowerUp 18 Dig In ConflictB 26 FluxAmpsRef Rang
5 Analog in Loss 19 Dig In ConflictC 27 Speed Ref Cflct
6 IntDBRes OvrHeat 20 Bipolar Conflict 28 Ixo Vlt Rang
8 Drive OL Level 1 21 Motor Type Cflct 29 Sleep Config
9 Drive OL Level 2 22 NP Hz Conflict
Table 4.C Alarm Descriptions and Actions (Continued)
Alarm No. Type
(1)
Description
Cause(s) Indication Corrective Action
Drive is faulted. Flashing red
status light Clear fault.
• Press Stop
• Cycle power
• Set [Fault Clear] to 1 (See page 3-23)
• “Clear Faults” on the HIM Diagnostic menu.
Incorrect input wiring. See pages
1-27 and 1-28 for wiring examples.
• 2 wire control requires Run, Run
Forward, Run Reverse or Jog input.
• 3 wire control requires Start and Stop
inputs.
• Jumper from terminal 25 to 26 is
required.
None Wire inputs correctly and/or install jumper.
Incorrect digital input programming.
• Mutually exclusive choices have
been made (i.e., Jog and Jog
Forward).
• 2 wire and 3 wire programming may
be conflicting.
• Exclusive functions (i.e, direction
control) may have multiple inputs
configured.
• Stop is factory default and is not
wired.
None Program [Digital Inx Sel] for correct inputs.
(See page 3-30)
Start or Run programming may be missing.
Flashing yellow
status light and
“DigIn CflctB”
indication on
LCD HIM.
[Drive Status 2]
shows type 2
alarm(s).
Program [Digital Inx Sel] to resolve conflicts.
(See page 3-30)
Remove multiple selections for the same
function.
Install stop button to apply a signal at stop
terminal.
Cause(s) Indication Corrective Action
Drive is programmed for 2 wire
control. HIM Start button is disabled
for 2 wire control. None If 2 wire control is required, no action needed.
If 3 wire control is required, program [Digital
Inx Sel] for correct inputs.
(See page 3-30)