Wisconsin CNC Specialists · Est. 2026

CNC Repair & Troubleshooting

Expert field service for Heidenhain, Fidia, Siemens and Fanuc CNC controls. Fast response across Wisconsin — same-day callouts available.

Request Emergency Service View Services
4H
Emergency Response
4+
CNC Platforms
WI
Milwaukee · Fox Valley · Madison
24/7
Remote Support Available
Platforms Supported
Heidenhain TNC 640 Heidenhain iTNC 530 Heidenhain TNC 426 CNC PILOT 4290 Fidia K Series Fidia C20 Siemens 840D sl Siemens 828D Fanuc 0i-MF Plus Fanuc 31i Heidenhain TNC 640 Heidenhain iTNC 530 Heidenhain TNC 426 CNC PILOT 4290 Fidia K Series Fidia C20 Siemens 840D sl Siemens 828D Fanuc 0i-MF Plus Fanuc 31i
// What We Fix

Our Services

From emergency breakdown recovery to long-term preventive contracts — we cover the full lifecycle of your CNC control systems.

Diagnostic & Fault Analysis
On-site and remote fault diagnosis for control alarms, servo faults, spindle errors, and communication failures. Root-cause identification, not just symptom clearing.
From $150 / hr · On-site or Remote
Control Repair & Replacement
Board-level repair, control unit replacement, and parameter restoration for Heidenhain TNC/iTNC, Fidia K series, Siemens 840D/828D, and Fanuc 0i/31i platforms.
Day Rate + Parts · All Major Brands
Servo & Spindle Tuning
Velocity loop gain adjustment, backlash compensation, torque offset calibration, and vibration analysis. Verified via circular interpolation and ballbar testing.
$200 – $400 / Session
Preventive Maintenance Contract
Scheduled monthly or quarterly visits: parameter backup, mechanical inspection, software checks, and a written condition report. Priority booking guaranteed.
$600 – $1,500 / Month
Emergency Callout
Machine down? We offer 4-hour on-site SLA response across the Wisconsin service area. Weekend and after-hours availability for priority contract customers.
$300 Min. + $200 / hr · 4H SLA Available
Commissioning & Training
New machine startup, parameter configuration and backup, operator training, and maintenance staff instruction for Heidenhain and Fidia platforms.
Day Rate · On-site · Wisconsin & Midwest
// Platform Expertise

Systems We Know Cold

Primary
Heidenhain
TNC 640 / iTNC 530 / TNC 426 / CNC PILOT
Primary
Fidia
K Series / C20 / HSM Controllers
Support
Siemens
Sinumerik 840D sl / 828D
Support
Fanuc
0i-MF Plus / 31i / 30i Series
// Diagnostic Capabilities
SERVO_TUNING velocity loop · backlash · torque offset
SPINDLE_DIAG drive alarms · orientation · rigid tap
PARAM_BACKUP full NC / PLC / drive parameter sets
ENCODER_TEST linear / rotary · EQN / ECN series
CIRCULAR_INT G2/G3 verification · ballbar compatible
// Service Coverage
REGION Wisconsin · 60-mile radius on-site
REMOTE TeamViewer · national coverage
RESPONSE_SLA 4-hour emergency · next-day standard
AVAILABILITY Mon–Sat standard · 24/7 SLA clients
// How It Works

From Call to Cutting

01
01
Contact Us
Call, text, or submit the quote form. Describe the alarm, symptom, or machine model. We respond within the hour during business hours.
02
02
Remote Triage
We attempt remote diagnosis via TeamViewer or phone to isolate the fault — often resolving issues without an on-site visit.
03
03
On-Site Dispatch
If on-site is needed, we deploy to your Wisconsin facility — same day for emergencies, next morning for standard calls.
04
04
Fixed & Documented
Repair completed with a written service report and parameter backup. You're cutting again — and you have a record of exactly what was done.
// Get Back to Production

Request a Quote

Complete Machine Service LLC serves precision manufacturers across Wisconsin. Whether it's an emergency breakdown or a planned maintenance contract, we move fast and fix it right.

Available for same-day emergency dispatch
Phone / Text
(XXX) XXX-XXXX
Email
service@completemachineservice.com
Service Area
Wisconsin — Milwaukee · Fox Valley · Madison
Hours
Mon – Sat · 7:00 AM – 6:00 PM
After-hours available for SLA contract customers
Request Service / Quote

We respond within 1 business hour. Emergency? Call us directly.