Control Board LabIndustrial Electronics Repair

Siemens

Siemens SIMATIC Multi Panel Repair (MP277 / MP377) — Mail-In

Board-level repair for the obsolete Siemens Multi Panel line (MP277, MP377). Replacements are scarce and expensive; the common power and touch failures are clean bench repairs. Flat $549.

Coverage: MP277-8 / MP277-10 · MP377-12 / MP377-15 / MP377-19, touch and key

Fixed — or it's free

Unrepairable units are refunded; evaluations cost $0

24-month warranty

Every repair covered, parts and labor

3–5 business days bench time

Rush (1–2 day) and emergency service available

Program preserved

Your application and settings stay in the unit

Symptoms this repair fixes

  • No power
  • Shutdowns and restarts
  • Touch failures
  • Dark display
  • Boot faults

Honest limits

  • A few 19" LCD assemblies are quote-first

What you get

  • Diagnostic + board-level repair
  • Power-supply recap and repair
  • Touch and backlight repairs included
  • Project preserved
  • Full functional test
  • 24-month warranty

Your program is safe

Project preserved through the repair.

Typical article numbers

6AV6643-0CD01-1AX1 (MP277-10 Touch)6AV6644-0AA01-2AX0 (MP377-12 Touch)6AV6644-0AB01-2AX0 (MP377-15 Touch)All other MP277 / MP377 variants

What to ship

  • The panel only
  • Symptom description with your RMA number

Full packing guidance: mail-in instructions.

Ship your unit to

USPS

Control Board Lab
PO Box 120241
Arlington, TX 76012

UPS / FedEx

Control Board Lab
1009 Oakwood Ln # 120241
Arlington, TX 76012

Write your RMA number on the outside of the box and include it on a note inside. Units over 50 lb (large VFDs, spindle drives, industrial PCs in enclosures) ship by freight — contact us before ordering and we will arrange dock-to-dock shipping.

Frequently asked questions

MP377s are unobtainable — what if mine can't be fixed?

You pay nothing beyond return shipping — the flat price is refunded in full. In practice, the dominant MP-series failures (power supply capacitors, touch wear, backlight) repair cleanly.

Fix it for $549

Buy the repair now, get your RMA instantly, and ship the unit today.

The Fixed-or-Free Guarantee: if we can't repair it, you don't pay for the repair.

Call (817) 799-7332 · 📱 Text us a photo of your unit · Email repairs@controlboardlab.com