Delta Tau GEO MACRO DRIVE User Manual download pdf (Page 125)

Geo MACRO Drive User and Reference Manual

Troubleshooting 113

TROUBLESHOOTING

The Geo MACRO utilizes a scrolling single-digit 7-segment display. When control power is applied to

the drive, the 7-segment display will have a blinking “.” (Period) ) (rate of 50% of the duty cycle)

indicating that the software and hardware are running normally. This blinking period is running all of the

time except if the PMAC CPU has faulted, then it stays on. When any of the drive’s output sections is

enabled, the display will include a “0”. When all axes are not enabled and there is no Fault, the display

will be blank with the blinking “.” (Period).

Error Codes

In most cases, the Geo Drive communicates error to the Status Display (D1). The same message can be

monitored via the MACRO Ring, Status Word and MS{node},MI4. Not all errors reflect a message back

to the host. In these cases, the no-message errors communicate only to the Status Display.

The response of the Geo Drive to an error depends on the error’s severity. There are two levels of severity:

1. Warnings (simply called errors and not considered faults and do not disable operation).

2. Fatal errors (fatal faults that disable almost all drive functions, including communications).

Note:

The Geo Drive automatically disables at the occurrence of a fault.

The drive will produce a 2-character scrolling display whenever a fault on any axis exists, when in ASCII

mode it will produce a 3-character scrolling display starting with an

A followed with the normal code.

The scrolling display begins with an

E followed by the specific fault code. There is a blank pause

between the first code and the fault code of the scrolling display to distinguish between the beginning and

the end of the scrolling codes. The table below lists the fault codes.

Note:

If in ASCII mode and an error occurs, then the display will first show an A (for

ASCII), followed by the fault code, see table below.

(Added to firmware 1.006 and above)

D1: Geo MACRO Drive Status Display Codes

The 7-segment display on the current model, 16 numeric codes plus two

decimal points, provides the following codes:

5082-7730

DPR

VCC

Display

Fault code

Description Notes/Cause

T Current Fault – Axis 1

An internal timer has noticed that Axis 1 is taking more RMS current than

the drive was designed to produce. Reduce loading.

Over Current Fault – Axis 1

Over current sensors have detected an excess of current through the motor

leads. Typically, bad setup information (check Ix69) or overshoots in the

current loop, or voltage commands from the controller through the power

stage.

Output Short Circuit – Axis

The output of the drive has been shorted together or to ground. Do not

reset drive until condition has been cleared. Do not reset drive for at least

60 seconds. Check wiring if the motor cable is disconnected and the fault

insists sent the drive for RMA

IGBT Over Temp - Axis 1

IGBT temperature is above a factory pre-set range (approximately 85 ºC).

Drawing excessive current through the amplifier, blocked airflow through

the amplifier or operation in an ambient temperature above 45 ºC.

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Delta Tau GEO MACRO DRIVE User Manual Page 125

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