Factory-Sealed New Surplus DS3800HLEA1C1C

Most DS3800 boards available today were pulled from decommissioned Mark IV panels and refurbished before resale. This DS3800HLEA1C1C is new surplus factory-packaged stock instead — inventory that was never installed or run in a panel. For spares programs prioritizing zero run-time hours over anything else, that's a meaningful difference from a rebuilt used card, and it carries a 1-year warranty as noted below.

The Role of a Logic Element Board in a Mark IV Rack

The DS3800HLEA processes discrete logic signals within GE's Speedtronic Mark IV control system — taking inputs from sensors and other control devices and executing the logical operations behind the system's decision-making. The board carries 10 status LEDs on its front face, which run a brief self-test when the panel powers up, along with 3 configuration jumpers and a transistor-to-transistor logic (TTL) device that manages the interface between its integrated circuits. Its modular connector and retention levers are designed for clean insertion and removal from the rack, reducing the amount of cabling disturbed during a card swap.

New Stock Doesn't Change the Diagnostic Steps

Even with new surplus on hand, it's worth confirming the fault genuinely belongs to the logic element board before installing a replacement:

• Field contacts, relays, and terminal wiring ahead of the logic input stage are a common source of faults that look like a bad logic card but aren't.
• The DS3800HLIA or HLIC logic input boards, which sit ahead of the HLEA in the signal path — a fault on one of these is easily mistaken for an element-board problem.
• Jumper settings on the board being replaced — confirm they match your system documentation before assuming hardware failure.
• Which of <R>, <S>, or <T> is actually alarming, since Mark IV's two-out-of-three voting can let a single-channel fault sit as a diagnostic without a unit trip.

Once those are ruled out, installing unused factory stock rather than a rebuilt card is a sound way to minimize the chance of an early repeat failure.

The 1C1C Suffix

DS3800 identifies the board family, HLEA identifies the logic element function, and 1C1C identifies the production run and revision — run "C," revision "C." GE hasn't published a public account of what changed at each individual letter, so we won't invent one; what matters practically is matching the full suffix to whatever board you're replacing. If you're building spares stock rather than replacing a specific failed card, let us know your system details and we can confirm this is the correct suffix for your panel. See our GE Speedtronic Part Number Decoder for more on how this numbering works across Mark IV, V, and VI systems.

Boards That Belong to the Same Logic Family

The logic input boards (DS3800HLIA, DS3800HLIC) and the DS3800HLNE network/highway controller are the closest companions to the HLEA within a Mark IV rack. Browse our GE Mark IV DS3800 Boards collection to cross-reference part numbers, or the broader GE Speedtronic Turbine Control Boards collection if you're sourcing across several Mark generations.

What to Send With Your Quote Request

• The full part number and suffix, whether from a failed board or your system's parts list
• A photo of the label on any board you're replacing
• Turbine model and confirmation the control system is Mark IV Speedtronic
• Quantity needed and timeline

We quote within 24 hours, ship worldwide on a DDP basis so duties are already handled, and accept purchase orders directly. Click Request a Quote to get started.

General Information about the Product
Part Number	DS3800HLEA1C1C Mark IV DS3800
Description	GE General Electric DS3800HLEA1C1C DS3800HLEA Logic Element Board Mark IV NEW
Condition	newSurplusFactoryPackage With 1 Year Warranty.