Allen-Bradley · PanelView StandardObsolete / discontinued
2711-K5A5 Repair
PanelView 550 keypad operator terminal (2711-K5A5) from the legacy PanelView Standard line — long obsolete, unbuyable new, and still running production machines. Backlight, keypad, power, and communication repairs keep it alive.
Known failures on the 2711-K5A5
- ▸Dead CCFL backlight
- ▸Worn membrane keypad
- ▸Power supply failure
- ▸DH+/DH-485/RIO comm faults
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.
Check these before you ship
Some of these will tell you the 2711-K5A5 is fine and the fault is elsewhere — worth ten minutes before you pay to ship it.
- □Confirm the supply feeding the terminal is actually delivering its rated voltage under load — a failing panel supply mimics a dead HMI exactly.
- □Shine a bright light at an angle across a dark screen. If you can make out the application faintly, the LCD is alive and you have a backlight fault, which is a cheaper and faster repair.
- □If the unit boots but the touch is wrong only in one region, note where. Localized dead zones point at digitizer wear; whole-screen drift more often points at the controller.
- □Note the exact text of any boot or fatal error. The code narrows the fault far faster than "it will not start".
Not your exact model?
Search the catalog or send us the number on your unit's label — we service far more than the catalog shows.
How the 2711-K5A5 differs from the rest of the PanelView Standard range
These share an electronics platform and fail in the same ways, but they are not interchangeable — check the number on your unit's label against this list before you ship, and before you buy a replacement.
| Part number | Distinguishing spec | Repair | |
|---|---|---|---|
| 2711-K5A5 (this page) | PanelView Standard | From $449 — free evaluation confirms the firm price first | |
| 2711-K6C2 | PanelView Standard | From $449 — free evaluation confirms the firm price first | View → |
| 2711-B6C5 | PanelView Standard | From $449 — free evaluation confirms the firm price first | View → |
| 2711-T9A5 | PanelView Standard | From $449 — free evaluation confirms the firm price first | View → |
| 2711-T10C8 | PanelView Standard | From $449 — free evaluation confirms the firm price first | View → |
Why a 2711-K5A5 fails — and what we do about it
The PanelView Standard shares its electronics across the family, so these are the faults we see on this part number again and again.
Backlight lamp and inverter failure
- What you see
- Screen dark or badly dimmed, sometimes with a pink or dull cast before it fails completely.
- Why it happens
- Older terminals of this generation use lamp-based backlights driven by an inverter. Both the lamp and the inverter wear out with running hours, and a colour shift before failure is characteristic of an aging lamp.
- What we do
- The backlight assembly and inverter circuitry are repaired or replaced and output verified for brightness and stability.
Membrane keypad and touch wear
- What you see
- Keys or touch areas that need a hard press, or no longer respond at all.
- Why it happens
- These are mechanically actuated interfaces on terminals that have frequently been in service for decades. The wear is genuinely mechanical and concentrated on the most-used keys.
- What we do
- The keypad or touch assembly is replaced and each key and touch zone tested individually.
Repair or replace a 2711-K5A5?
Operator terminals are the clearest repair-over-replace case in a plant. Much of the installed base is discontinued with no drop-in successor, so replacing means specifying new hardware, re-developing or converting the application, re-testing it against live machinery, and retraining operators on a screen that behaves differently. The repaired terminal drops back into the same panel cutout running the same application. Even where a successor exists, the migration engineering usually costs several times the repair.
- New replacement
- Long obsolete — surplus only
Market figures are collected from public listings and are indicative only — a used unit also arrives with an unknown service history and no warranty from us.
Full technical detail for this repair
The PanelView Standard / 550 / 1000 service page covers the complete bench sequence — how the unit is tested, what gets replaced and how it is proven before it ships back — along with the rest of the family we service.
PanelView Standard / 550 / 1000 Repair — full details →Frequently asked questions
Can the 2711-K5A5 be repaired?
Yes — dead ccfl backlight, worn membrane keypad, power supply failure are the failures we commonly repair on the PanelView Standard platform. It starts with a free bench evaluation and a firm quote you approve before any work — $0 if unrepairable.
How long does a 2711-K5A5 repair take?
Standard bench time is 3–5 business days once the unit arrives. Rush service (+$149) moves it to 1–2 business days, and emergency same/next-day attempts are available — contact us first.
How do I send it in?
Start the repair online to get an RMA number instantly, pack the unit well with the RMA on the box, and ship it to our Dallas–Fort Worth lab with any carrier. Full packing guidance is on the mail-in instructions page.
Machine down? Let's get it back up.
Start a repair online in two minutes, or send us the part number for a free technician review.
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