Video & projection
Absen Acclaim / A Series troubleshooting
The Absen Acclaim / A Series problems live-event techs bring to Ask Roadie most (also called A27, Acclaim Plus). Pick your symptom, or describe your own in plain words, and get the likeliest fix first, with the manual page when there is one.
Common Acclaim / A Series errors & problems
What techs run into most, and what's usually behind it. The step-by-step fix for your exact unit is in Ask Roadie.
- Step-by-step fixGet the fix →
Need the key specs / setup basics for the Absen Acclaim A27 (A-series) video wall
Likely cause: Gives techs the load-in numbers (weight/power for rigging and circuits), the SKU-to-pitch map, and the NovaStar/NovaLCT control path in one place.
- Step-by-step fixGet the fix →
Configuration is correct on screen but reverts/blanks after a power cycle
Likely cause: NovaLCT separates a temporary Send (RAM) from a persistent Save to Hardware (Flash).
- Step-by-step fixGet the fix →
Entire cabinet is completely dark
Likely cause: A dark cabinet is almost always loss of mains/5V power or a broken power daisy-chain, not a mass LED failure.
- Step-by-step fixGet the fix →
Module shows ghosting, smearing, or a faint second image
Likely cause: Ghosting comes from a scan-mode / driver-IC mismatch in the receiving card.
- Step-by-step fixGet the fix →
Need to update receiving-card firmware / a new cabinet won't match the others
Likely cause: The A27 is driven by NovaStar receiving cards, so "firmware" is the receiving-card program managed in NovaLCT.
- Step-by-step fixGet the fix →
One cabinet is offline/black in NovaLCT while others map fine
Likely cause: Cabinets are daisy-chained on Ethernet ports; the first break in the chain drops all downstream cabinets.
- Step-by-step fixGet the fix →
One module (a sub-section of a cabinet) goes dark while the rest of the panel works
Likely cause: Absen A27 modules are front-serviceable and get 5V power + data through pogo-pin contacts and ribbon cables.
- Step-by-step fixGet the fix →
Random pixel dropouts, dimming, or subtle flicker confined to one module/cabinet
Likely cause: LED driver ICs brown out below spec voltage, producing intermittent pixel loss that looks like a data fault.
- Step-by-step fixGet the fix →
Several ADJACENT modules dark, garbled, or showing wrong colors together
Likely cause: Modules in a group share one HUB board that fans signal/power out from the receiving card.
- Step-by-step fixGet the fix →
Visible brightness or color mismatch between cabinets across the wall
Likely cause: Calibration coefficients stored per receiving card equalize brightness/color.
- Step-by-step fixGet the fix →
A few individual dead/stuck pixels on an otherwise good module
Likely cause: Genuinely dead pixels are physical LED/driver failures on the module PCB.
- Step-by-step fixGet the fix →
Whole wall flickers, tears, or stutters
Likely cause: Loose or failing Cat cabling drops packets to downstream cabinets, showing as flicker.
Not on the list? Describe it your way, or paste the error code off the display. Ask Roadie works the problem with you until it's fixed or you have a clear next move.
How Ask Roadie helps with the Acclaim / A Series
- 1. Pick the Absen Acclaim / A Series. It's already in the list.
- 2. Describe what you're seeing. In your own words, or the error code off the screen.
- 3. Get the likeliest fix first. Steps in order, the manual page when there is one, and a note when other techs have confirmed it.
- 4. Still broken? Tap 👎 and it keeps going from where you left off.
Free trial
Get your Acclaim / A Series back up before doors.
Try it free. No card required.
Start free trial →