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Phone: +86 16626708626Description
Key Technical Specifications
- Model: DS200KLDCG1AAA
- Series: GE Mark V Speedtronic
- Function: Key/LED/display board
- Display Elements: 21 four-character displays
- Indicators: 32 LEDs
- Configuration: 1 jumper reported on common field listings
- System Use: Turbine control cabinet interface
- Power Source: Backplane-powered in Mark V rack
- Installation: Rack-mounted control board
- Compatibility: Mark V turbine control systems
- Condition: Typically sold as new surplus or tested used
Product Introduction
GE DS200KLDCG1AAA is a Mark V Speedtronic key, LED, and display board used in turbine control cabinets. It provides local operator feedback for GE turbine control systems and belongs in the Mark V hardware family.
This board is usually bought as an exact replacement for aging Mark V panels where display visibility and correct board revision matter more than generic compatibility claims. The practical value is simple: match the part number, confirm the rack version, and avoid unnecessary downtime caused by the wrong display board.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| LEDs dead, no display activity | Rack power missing or backplane fault | ❌ Low | Measure rack supply rails and check neighboring boards | Verify cabinet power before blaming the board |
| Some LEDs light, displays are blank | Loose connector, board seating issue, or damaged display path | ✅ High | Reseat the board and inspect edge connectors for corrosion | Replace only after confirming clean contact and proper seating |
| Wrong or frozen status readout | Board fault, ribbon/connection issue, or upstream controller issue | ⚠️ Medium | Compare readings at the operator panel with controller diagnostics | Check the controller and cable path first |
| Intermittent display flicker | Power instability, vibration, or marginal connector contact | ✅ High | Wiggle-test is not enough; check voltage stability and connector retention | Clean, reseat, then replace if faults persist |
| No response to key input | Keypad path fault or front-panel connector issue | ✅ High | Test continuity and inspect the front-panel harness | Replace board if the input path is confirmed bad |
| Board runs hot or shows burn marks | Overcurrent, prior repair damage, or cabinet cooling issue | ✅ High | Inspect for discoloration and measure cabinet temperature | Stop using the board and verify load and cooling first |
If you are stuck, send photos of the board, cabinet wiring, and any alarm logs to technical support.
- DS200KLDCG1AAA
- DS200KLDCG1AAA
Frequently Asked Questions
Is this a direct replacement for any DS200KLD board?
No, not automatically. The suffix matters, and Mark V hardware can be picky about exact revision matching. Confirm the full part number and system version before you install it.
Can I install it with the power on?
No. Treat it as a rack-mounted control board, not a hot-swap part. Power down first or you risk backplane damage and a much larger repair.
What condition is this usually sold in?
Most listings for this part are New Surplus or tested used, not factory fresh production. That is why the price is lower than OEM new stock.
Why are the displays or LEDs not working after replacement?
Start with the obvious stuff: rack power, connector seating, and cabinet wiring. In a lot of cases, the board is fine and the actual problem is upstream or on the backplane.
Does it need programming after installation?
Usually no board-level programming is involved for a replacement, but the system configuration still has to match the plant setup. Save the existing setup before you swap anything.
What should I check before ordering?
Check the exact suffix, the rack family, the cabinet layout, and whether the old part had any visible jumper settings or connector differences. Take photos before removal; that step saves time later.
Why does this part look expensive for a display board?
Because GE Mark V boards are older industrial hardware, and supply is limited. Pricing usually reflects availability, not just component count.
