Arc Machines 217 WDR - Manual (Page 45)

M O D E L 2 1 7 W D R
O P E R A T O R ’ S M A N U A L
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7.2 ALARM SETTINGS
LOW PRESSURE: The lowest allowable pressure desired for the purge inlet of the power
supply. Low Pressure value should be set to 0.0. Inadequate flow will trigger a flow
alarm on the touch screen.
HIGH PRESSURE: The highest allowable pressure desired for the purge inlet of the power
supply. The maximum value for this field is 50.0 psi. Over pressure will trigger a flow
alarm on the touch screen.
LOW VOLTAGE: The minimum allowable arc voltage. This setting is often used to
indicate a stub out or insufficient gap between the electrode and work. This value is
defaulted at 4.0 volts.
HIGH VOLTAGE: The maximum allowable arc voltage. This setting is used to indicate
excessive gap between the electrode and work and other anomalies such as insufficient or
missing purge. This value is defaulted at 25.0 volts.
CURRENT: The tolerance in terms of % variation from the average current, as measured
in feedback. This should be set based on the requirements of the welding operation. The
variation is +/- 3%.
SPEED: The tolerance in terms of % variation from the programmed speed, as measured
in feedback. This should be set based on the requirements of the welding operation. The
variation is +/- 3%.
DEFAULTS: On the lower right of the ALARM SETTING SCREEN there is a DEFAULTS
pad. Touching this pad allows the user to quickly re-populate the ALARM SETTING
values with the factory defaults.
7.3 ALARMS AND FAULTS
The following FAULT SCREENS appear when the value of the welding parameter
has been exceeded, as programmed in the ALARM SETTING screen.
1. The message below left will appear if the arc fails to start. The message below
right will appear if the weld head fails to rotate and/or is jammed.
OK
MOTOR STALL – CHECK
FOR OBSTRUCTION
OK
BAD ARC START – ARC
FAILED TO START.
CHECK EQUIPMENT,
CONNECTIONS AND
ELECTRODE