Parker E-DC, Руководство по установке оборудования

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40 E-DC Hardware Installation Guide Chapter 3 – Troubleshooting
T
ROUBLESHOOTING
B
ASICS
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 prob-
lem. 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 iden-
tify 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.
D
IAGNOSTIC
LED
S
The E-DC Drive has two LEDs on its front panel. The following table
summarizes LED functions:
LED Name Color Function
PWR
(POWER) Green Illuminates when drive’s internal power supply
is operating and pro5V
FLT
(FAULT) Red Indicates short circuit in motor or cabling; or,
Drive overtemperature
S
HORT
C
IRCUIT
P
ROTECTION
The E-DC is protected against phase-to-phase and phase-to-ground short
circuits. Never short circuit the motor leads for motor braking.
When the drive detects a short circuit in the motor or motor cabling, it
illuminates the
FAULT
LED, and stops producing motor current. This is a
latched condition. To restart the drive, first remove power to the drive; fix
the short in the motor or cable; then reapply power.
O
VERTEMPERATURE
P
ROTECTION
To protect against damage from high temperatures, the E-DC Drive has
an internal temperature sensor. If the sensor reaches 55
°
C (131
°
F) it will
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