Troubleshooting Basics; Diagnostic Leds - Parker Compumotor TQ10 User Manual

Troubleshooting Basics

Diagnostic LEDs

TQ10 User Guide
54
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When your system does not function properly (or as you expect it to operate), the first thing
that you must do is identify and isolate the problem. When you have accomplished this, you
can effectively begin to resolve the problem.
The first step is to isolate each system component and ensure that each component
functions properly when it is run independently. You may have to dismantle your system
and put it back together piece by piece to detect the problem. If you have additional units
available, you may want to exchange them with existing components in your system to help
identify the source of the problem.
Determine if the problem is mechanical, electrical, or software-related. Can you repeat or
recreate the problem? Random events may appear to be related, but they are not necessarily
contributing factors to your problem.
You may be experiencing more than one problem. You must isolate and solve one problem
at a time. Log (document) all testing and problem isolation procedures. You may need to
review and consult these notes later. This will also prevent you from duplicating your
testing efforts.
Once you have isolated a problem, take the necessary steps to resolve it. Refer to the
problem solutions contained in this chapter. If the problem persists, contact your local
technical support resource.
The TQ10 Drive has five LEDs on its front panel. The following summary of LED
functions may help you isolate problems.
LED Name Color
Red
MOTOR FAULT
Red
DRIVE OVERTEMP
REGEN/ Green
Red
OVERVOLTAGE
Green
PEAK CURRENT/
Red
IN FOLDBACK
Green
POWER ON/
Red
NOT ENABLED
Function
Indicates short circuit in motor or cabling; or,
Indicates motor overtemperature; or,
Indicates Hall miswiring, or damaged Hall sensor; or,
Indicates foldback with fault-on-foldback set.
Indicates drive has exceeded temperature limit
Illuminates green during regen event;
Illuminates red if regen causes overvoltage
Illuminates green during peak current output;
Illuminates red while drive is in foldback
Illuminates green when AC power is applied;
Illuminates red when AC power is applied
but drive is not enabled