1130

Check Probe Battery Status

Navigate to CURRENT COMMANDS > PROBING to view probe battery status and signal strength indicators on the NGC display.

Battery life typically shows 2-3 years with normal usage patterns

Test Probe Activation

Manually deflect the probe stylus and observe the PROBE LED on the operator panel. LED should illuminate immediately when stylus is deflected.

Ensure spindle is stopped before manually testing probe

Replace Probe Battery

If battery is low, power down machine, remove probe from spindle, and replace battery per manufacturer specifications. Reinitialize probe system after battery replacement.

Always use lithium batteries as specified - alkaline batteries will cause premature failure

Check Receiver Line of Sight

Verify the probe receiver has clear line of sight to the probe. Remove any metal chips, coolant buildup, or tooling that may block the RF signal path.

Maximum reliable range is typically 6-8 feet depending on environmental conditions

Identify Interference Sources

Turn off nearby wireless devices (WiFi routers, cell phones, other wireless probes) and test probe communication. Check for new equipment installations near the machine.

Some LED lighting systems can cause RF interference

Relocate Receiver if Necessary

If interference persists, relocate the probe receiver to a different position with better line of sight and less RF noise. Ensure receiver cable connections are secure.

Mount receiver away from VFD cabinets and servo amplifiers to minimize EMI

Verify Probe Type Setting

Access SETTING > PROBING and verify Parameter 531 (Probe Type) matches your installed probe system. Common values: 0=None, 1=Wired, 2=Wireless.

Parameter 531 must match exactly or communication will fail

Check Communication Timeout

Review Parameter 532 (Probe Timeout) setting. Default is typically 10 seconds. If set too low, normal communication delays will trigger the alarm.

Do not set timeout below 5 seconds as this can cause false alarms

Reset Probe Parameters to Default

If parameters appear incorrect, reset probe-related parameters (530-539) to factory defaults and reconfigure for your specific probe system model.

Document current parameter values before making changes

Check Receiver Power and Connections

Verify probe receiver has proper power supply voltage and all cable connections are secure. Check for damaged cables or corroded connectors.

Power down machine before checking electrical connections

Test with Known Good Probe

If available, test with a different probe transmitter to isolate whether the issue is with the probe or receiver. This helps determine if receiver replacement is needed.

Borrow a probe from another machine for quick diagnostic testing

Inspect Receiver for Physical Damage

Examine receiver housing for cracks, moisture ingress, or damaged antenna. Look for signs of coolant contamination or impact damage that could affect RF performance.

Receiver antennas are fragile - handle with care during inspection

Check Control Board Probe Interface

Access DIAGNOSTICS > I/O and verify probe-related input/output signals are functioning. Look for stuck or inactive probe interface signals.

Document all I/O states before making changes for technician reference

Perform Control Restart

Power cycle the NGC control completely (not just RESET) to reinitialize the probe communication interface. Allow full boot sequence before testing probe.

Ensure all programs are saved before power cycling the control

Contact Haas Technical Support

If probe interface appears faulty, contact Haas technical support with alarm history and diagnostic results. Control board repair or replacement may be required.

Have machine serial number and NGC software version ready when calling support