Haas Vector Drive 20HP Troubleshooting Manual page 3

Vector Drive - Troubleshooting Guide - CHC
SYMPTOM
Alarm 123 SPINDLE
DRIVE FAULT and
Alarm 993 SHORT
CIRCUIT
Alarm 2040 VECTOR
DRIVE OR SPINDLE-
AMPLIFIER SHORT
CIRCUIT
Alarm 123 SPINDLE
DRIVE FAULT
Alarm 292 HIGH
VOLTAGE POWER SUPPLY
FAULT
Alarm 160 LOW
INCOMING LINE
VOLTAGE
Alarm 123 SPINDLE
DRIVE FAULT
Alarm 292 HIGH
VOLTAGE POWER SUPPLY
FAULT
Alarm 160 LOW
INCOMING LINE
VOLTAGE
at power on.
Alarm 292 HIGH
VOLTAGE POWER SUPPLY
FAULT
Alarm 647 REGEN LOAD
SHORTED
Alarm 648 DC BUS
SHORTED
POSSIBLE CAUSES CORRECTIVE ACTION
Inspect the Vector Drive and the Wye-Delta contactors for a short
The vector drive
circuit. For Delta-Wye Contactor Troubleshooting refer to:
detected a short
Delta Contactor - Troubleshooting Guide -
circuit.
Drive short-circuit inspection section below.
There is a problem Compare the measured DC voltage to the Diagnostic page. See
with the DC Bus. the DC BUSS
The vector drive J3 The old style Vector Drive J3 connector does not have ribs and can
connector inserted be accidentally inserted upside down. This could damage the pins.
upside down. Correctly inserted, the latch faces away from the Vector drive.
There is a problem Measure the resistance across the REGEN leads. See the Regen
with the REGEN. Load section below.
There is a problem
with the REGEN Check the regen circuit on the vector drive. See the Regen
circuit on the Load section below.
vector drive.
Page 3 of 9 pages
CHC. See the Vector
section below.
Wye-