Haas Vector Drive 20HP Troubleshooting Manual Download Page 4

Alarm 292

HIGH

VOLTAGE POWER SUPPLY

FAULT and

Alarm 200

HIGH

VOLTAGE POWER SUPPLY

OVER–TEMPERATURE

Alarm 2038

VECTOR

DRIVE OR SPINDLE

AMPLIFIER–OVER

TEMPERATURE

There is a problem

with the vector

drive cooling fan.

Inspect the cooling fan. See the

Cooling Fan

section below.

Alarm 292

HIGH

VOLTAGE POWER SUPPLY

FAULT

Alarm 444

REGEN

REMAINED ON TOO

LONG

There is a problem

with the incoming

AC power.

Measure the incoming voltage to the machine. See the

Incoming

AC Voltage

section below.

The vector drive

output is

unbalanced.

Measure voltage outputs across the vector drive terminals. See

the

Unbalance Output Inspection

section below.

The Machine Fails to

Maintain Spindle

Orientation.

The wye contactor

has a loose

connection on the

buss bar or jumper

cables.

Inspect the wye-delta assembly for loose connections.

The incoming

voltage to the

machine is too

high.

The check incoming voltage and transformer taps.

The vector drive

over voltage cable

is not plugged in or

defective.

Disconnect the 970 cable from connector J1 on the vector drive.

Inspect the J1 connector pins and the pins on the 970 cable for

damage. Make sure that the cable is connected to the correct I/O

PCB location.

• I/O PCB: P11

Alarm 119

OVERVOLTAGE

Alarm 292

HIGH

VOLTAGE POWER SUPPLY

FAULT

The parameters are

incorrect.

Check the correct value of the following parameters:

• 57:29 INV BUSS PWR FAULT

• 712 VD/Mini P.S. TYPE

Vector Drive - Troubleshooting Guide - CHC

Page 4 of 9 pages

Summary of Contents for Vector Drive 20HP

Page 1: ...rol cabinet the High Voltage indicator light on the 320V Power Supply Vector Drive must have been off for at least 5 minutes Some service procedures can be dangerous or life threatening DO NOT attempt a procedure that you do not fully understand If you have any doubts about doing a procedure contact your Haas Factory Outlet HFO and schedule a service visit The Haas Vector drive is the source of po...

Page 2: ...Symptom Table Vector Drive Troubleshooting Guide CHC Page 2 of 9 pages ...

Page 3: ...Diagnostic page See the DC BUSS section below Alarm 123 SPINDLE DRIVE FAULT Alarm 292 HIGH VOLTAGE POWER SUPPLY FAULT Alarm 160 LOW INCOMING LINE VOLTAGE at power on The vector drive J3 connector inserted upside down The old style Vector Drive J3 connector does not have ribs and can be accidentally inserted upside down This could damage the pins Correctly inserted the latch faces away from the Vec...

Page 4: ...section below The Machine Fails to Maintain Spindle Orientation The wye contactor has a loose connection on the buss bar or jumper cables Inspect the wye delta assembly for loose connections The incoming voltage to the machine is too high The check incoming voltage and transformer taps The vector drive over voltage cable is not plugged in or defective Disconnect the 970 cable from connector J1 on ...

Page 5: ... the motor output terminals 9 A 10 B and 11 C The meter should show high resistance readings typically in the Kilo or Mega ohms If the meter reads very low resistance the Vector drive is damaged Set your meter to Ohms test mode Put the black lead on terminal 3 with the red lead measure the motor output terminals 9 A 10 B and 11 C The meter should show high resistance readings typically in the Kilo...

Page 6: ...ce across the leads The reading must be as follows 2 resistor box between 9 5 and 12 5 ohms 3 resistor box between 6 3 and 8 3 ohms ohms As shown in the illustration 4 resistor box between 4 6 and 6 6 ohms If the REGEN loads are within specification there can be a problem with the vector drive Measure the resistance across terminals 1 and 3 on the vector drive Note A good drive will read a high re...

Page 7: ...correct voltage at P17 A faulty Maincon Mocon if you have the correct voltage on the 640C cable at the P17 connector of the Maincon Mocon There is 0 01 VDC for every 1 VDC Bus For example 320 VDC must show 3 2VDC Disconnect the DC Bus cables from terminals 2 and 3 on the vector drive Power on the machine Monitor the DC VOLTAGE on the diagnostics page of the control If the DC Bus goes back to the n...

Page 8: ... The cooling fan must turn OFF as the heat sink cools down Measure the temperature of the vector drive s heat sink through the exhaust vents when this alarm occurs If the temperature is above 60 C and the fan is not ON the vector drive has a faulty cooling fan Replace the cooling fan Corrective Action Measure the incoming voltage to the machine Make sure that the incoming voltage is within the ran...

Page 9: ...se a multimeter to measure the DC voltage across the following terminals on the vector drive see the illustration 3 and 9 3 and 10 3 and 11 The voltage must be 160 175VDC in all three readings If any of the voltage readings is 0V or 330V then this is a sign of an unbalanced output from the vector drive Vector Drive Troubleshooting Guide CHC Page 9 of 9 pages ...

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