Haas VF Series Service Manual

96-8100 1-15-96
28
ALARMS
HAAS AUTOMATION, INC.
SERVICE MANUAL
VF-SERIES
155 Z-axis Z same as 153.
Ch Missing
156 A-axis Z same as 153.
Ch Missing
157 Motor Interface Internal circuit board problem. The MOTIF PCB in the processor stack is
PCB Failure tested at power-on. Call your dealer.
158 Video/Keyboard Internal circuit board problem. The VIDEO PCB in the processor stack is
PCB Failure tested at power-on. This could also be caused by a short in the front panel membrane keypad.
Call your dealer.
159 Keyboard Failure Keyboard shorted or button pressed at power on. A power-on test of the membrane keypad
has found a shorted button. It can also be caused by a short in the cable from the main cabinet
or by holding a switch down during power-on.
160 Low Voltage The line voltage to control is too low. This alarm occurs when the AC line voltage drops below
190 when wired for 230 volts or drops below 165 when wired for 208 volts.
161 X-axis Over Current Current in X servo motor beyond limit. Possibly caused by a stalled or
or Drive Fault overloaded motor. The servos are turned off. This can be caused by running a short distance
into a mechanical stop. It can also be caused by a short in the motor or a short of one motor
lead to ground.
162 Y-axis Over Current same as 161.
or Drive Fault
163 Z-axis Over Current same as 161.
or Drive Fault
164 A-axis Over Current same as 161.
or Drive Fault
165 X Zero Ret This alarm will occur if the home/limit switches move or are misadjusted.
Margin Too Small This alarm indicates that the zero return position may not be consistent from one zero return to
the next. The encoder Z channel signal must occur between 1/8 and 7/8 revolution of where
the home switch releases. This will not turn the servos off but will stop the zero return opera
tion.
166 Y Zero Ret Same as 165.
Margin Too Small
167 Z Zero Ret Same as 165.
Margin Too Small
168 A Zero Ret Not normally enabled for A-axis.
Margin Too Small
169 Spindle Direction Problem with rigid tapping hardware. The spindle started turning in the
Fault wrong direction.

Haas VF Series Specifications

General

Machine Type	Vertical Machining Center
Control	Haas CNC Control
Z-Axis Travel	20-30 inches (varies by model)
Y-Axis Travel	16 - 30 inches (varies by model)
Spindle Motor	20-30 hp (depending on model)
Tool Capacity	20-40 tools (varies by model)