Secure Checkout
Ultimate Gilbarco Encore Error Codes: Diagnosis-to-Part Reference

Thumbnail Filmstrip of Ultimate Gilbarco Encore Error Codes: Diagnosis-to-Part Reference Images

    19 July, 2026

    Ultimate Gilbarco Encore Error Codes: Diagnosis-to-Part Reference


    Gilbarco Encore dispensers account for roughly 60% of fuel dispensers installed across North America. When one throws an error code, every minute of downtime costs revenue.

    Existing Gilbarco Encore error codes references list code meanings without connecting them to the replacement parts needed to resolve the problem. Technicians end up cross-referencing manuals, parts catalogs, and tribal knowledge just to identify a single component. This guide eliminates that gap. Every major error code maps directly to a replacement part, with coverage spanning the Encore 300, 500S, 700S, and 900S.

    Gilbarco Encore error codes diagnostic flowchart mapping codes to replacement parts
    Gilbarco Encore error codes diagnostic flowchart mapping codes to replacement parts

    📑 Table of Contents

    1. How Do Gilbarco Encore Error Codes Work?
    2. What Are the Gilbarco Encore E-Code System Errors?
    3. What Do the Gilbarco Numeric Error Codes Indicate?
    4. Which Gilbarco Encore Error Codes Differ by Model?
    5. How Do You Read CRIND Diagnostic LEDs?
    6. When Is the Gilbarco Error Code Not the Real Problem?
    7. How Do You Order the Correct Gilbarco Replacement Part?
    8. Frequently Asked Questions About Gilbarco Encore Error Codes

    How Do Gilbarco Encore Error Codes Work?

    Gilbarco Encore dispensers run a self-test sequence on power-up, cycling through hardware checks over approximately 25 seconds. Failures generate E-codes or numeric codes displayed on the CRIND unit.

    During the self-test, the dispenser verifies each subsystem in sequence: CRIND board memory, display communication, card reader connectivity, meter pulser signal, valve solenoid response, and network communication with the site controller. The filling-pressure display counts down from 25, and the sequence completes when it reaches 0000. Full self-test procedures are documented in the Encore and Eclipse Series Owner's Manual (MDE-3893U).

    Two distinct code systems exist. E-codes (E1 through E9) flag system-level configuration and firmware faults. Numeric codes (11 through 8050+) identify specific hardware failures in communication, metering, vapor recovery, hydraulics, and payment components.

    Each code carries a severity classification: info, minor, medium, major, or supermajor. Supermajor codes disable the dispenser until resolved. Minor codes may allow continued operation with degraded functionality.

    The Encore 500S and 700S share the same code architecture with over 200 documented codes. The Encore 300 uses a simpler, older code set inherited from the Advantage and Legacy platforms. Understanding which system applies to a given dispenser is the first step in accurate diagnosis.

    What Are the Gilbarco Encore E-Code System Errors?

    E-codes (E1 through E9) indicate system-level configuration and firmware errors that typically require a software reset, database reload, or CRIND board replacement rather than individual component swap.

    Code
    Error
    Resolution
    Part (if needed)
    E1
    Database corrupted
    Reload configuration from Passport controller. If recurs, replace CRIND board.
    CRIND Assembly (M01750A001)
    E2
    Flash corrupted
    Flash memory failure on CRIND board. Requires board replacement.
    CRIND Assembly (M01750A001)
    E3
    LON configuration error
    Network addressing mismatch. Reconfigure dispenser address at controller. If wiring damaged, replace LON cable.
    LON cable / Interface board
    E4
    One or more tasks not started
    Software initialization failure. Power cycle dispenser. If persistent, reflash firmware via Passport.
    None (software)
    E5
    Cold start was forced
    System forced restart. Check incoming power stability. Recurring E5 indicates failing power supply board.
    Power Supply Board (T19760-G1)
    E6
    Redundant data storage error
    Backup memory sector failure. Board-level fault. Replace CRIND assembly.
    CRIND Assembly (M01750A001)
    E7
    Calibration switch not engaged
    Firmware upgrade attempted without calibration switch in correct position. Retry upgrade with switch engaged.
    None (procedural)
    E8
    Database changed, defaults set
    Configuration reset occurred after firmware change. Reprogram dispenser settings from controller.
    None (reprogramming)
    E9
    Hardware coldstart
    Complete hardware reset. Check power supply board and CRIND for capacitor damage or burnt components.
    Power Supply Board (T19760-G1)

    E-codes E2, E6 point to CRIND board failure. E5 and E9 often trace back to unstable incoming power. E4, E7, and E8 are procedural, requiring firmware reload or configuration correction rather than hardware replacement.

    What Do the Gilbarco Numeric Error Codes Indicate?

    Numeric codes (11 through 8050+) identify specific hardware component failures across five major subsystems: communication, metering, vapor recovery, hydraulics, and payment devices.

    Communication Codes (11-19)

    Code
    Error
    Likely Cause
    Replacement Part
    11
    Two-wire communication break
    Damaged or corroded cable between controller and dispenser
    Two-wire communication cable
    12
    Communication timeout with POS
    Controller-to-dispenser wiring fault or interface board failure
    Interface board / Communication cable
    15
    LON network failure
    LON transceiver fault on CRIND or damaged LON wiring
    CRIND board / LON cable

    Communication codes are the single most common Gilbarco Encore error codes reported in the field. Corroded underground conduit wiring accounts for the majority of codes 11 and 12. For a deeper look at forecourt communication standards and cable diagnostics, see the forecourt communication guide.

    Metering and Pulser Codes (20-29)

    Code
    Error
    Likely Cause
    Replacement Part
    20
    Pulser disconnected / SIP magnet dropout
    Meter pulser sensor failure or wiring break
    Meter pulser assembly
    21
    Meter pulse error during transaction
    Worn or contaminated meter internals
    Meter assembly
    25
    Preset volume exceeded
    Meter over-delivery; calibration drift or meter wear
    Meter assembly (recalibrate first)
    29
    Pump timeout error
    Hang-up switch failure or solenoid valve stuck
    Solenoid valve / Hang-up switch

    Meter codes require careful diagnosis. Code 20 does not always mean a bad pulser. A sticking solenoid valve that prevents fuel flow can trigger the same code because the CRIND expects pulses that never arrive. For meter calibration procedures and part details, see the fuel dispenser troubleshooting guide.

    Vapor Recovery Codes (30-39)

    Code
    Error
    Likely Cause
    Replacement Part
    30
    VaporVac catastrophic error
    VaporVac motor or controller board failure
    VaporVac motor assembly
    31
    VaporVac underperformance
    Blocked vapor hose or worn motor brushes
    Vapor hose / VaporVac motor
    35
    Vapor pressure sensor fault
    Pressure transducer failure or wiring issue
    Pressure transducer

    Vapor codes apply only to dispensers equipped with Stage II vapor recovery (required in CARB-regulated states and some EPA-mandated areas). Dispensers without VaporVac systems will never generate codes 30-39.

    Payment and CRIND Codes (4000-5000 Series)

    Code
    Error
    Likely Cause
    Replacement Part
    4001
    Card reader communication failure
    CRIND cable fault (test cable before replacing reader)
    CRIND cable / Card reader module
    4010
    Encryption key error / Tamper detected
    Security tamper event on card reader; reader must be replaced
    Card reader (M13940K901)
    4301
    Blending proportional valve error
    Blend valve stuck or solenoid failure
    Blend valve assembly
    50
    POS communication lost
    Controller connection failure; verify interface board and site wiring
    Interface board / Communication cable

    Card reader code 4001 is one of the most commonly misdiagnosed Gilbarco Encore error codes. The CRIND cable connecting the reader to the main board fails far more often than the reader itself. Always test cable continuity before ordering a $400+ card reader replacement. For a complete card reader diagnostic walkthrough, see the card reader troubleshooting guide.

    Which Gilbarco Encore Error Codes Differ by Model?

    The Encore 300 uses a simplified code set (codes 20-29 plus 4301-4317) while S-series dispensers share over 200 codes from E1 through 8050.

    Model
    Code Range
    Unique Features
    Parts Compatibility
    Encore 300
    20-29, 4301-4317
    No E-code system. Shares architecture with Advantage and Legacy dispensers. Simplified hydraulic codes only.
    Legacy parts only; NOT interchangeable with S-series
    Encore 500S
    E1-E9, 11-8050+
    Full diagnostic platform. Core S-series code architecture. Most documented model.
    S-series parts (interchangeable with 700S)
    Encore 700S
    E1-E9, 11-8050+
    Same as 500S plus 6000-series media display codes when Applause media system is installed.
    S-series parts (interchangeable with 500S)
    Encore 900S
    E1-E9, 11-8050+
    Same as 500S/700S base plus additional high-flow metering codes for truck-stop diesel applications.
    S-series parts; high-flow meter unique to 900S

    The critical takeaway: always confirm the dispenser model from the serial number plate before ordering parts. Encore 300 CRIND boards, displays, and card readers are physically different from S-series components. Installing the wrong generation part creates a new set of errors without resolving the original fault. Allied stocks components for all Gilbarco model generations including legacy Encore 300 and Advantage.

    How Do You Read CRIND Diagnostic LEDs?

    When the dispenser display is non-functional, CRIND board LEDs provide backup status through blink patterns. Steady green means normal; blinking red indicates a fault code.

    Three LEDs sit on the CRIND board inside the dispenser electronics compartment:

    • Power LED (green): Steady on when the board has proper voltage. Off or flickering indicates power supply fault.
    • Status LED (yellow/green): Blinks during POS-to-CRIND communication. The yellow "POS to CRIND" indicator lights on each transmission from the controller.
    • Fault LED (red): Blink count corresponds to error category. One blink = power subsystem issue. Two blinks = communication fault. Three blinks = peripheral device failure. Rapid continuous blinking = supermajor fault requiring immediate attention.

    For situations where neither the display nor LEDs provide clear information, a Gilbarco diagnostic card (part Q12534-170) plugs into the CRIND board to force diagnostic mode. This card is compatible with Advantage and all Encore models. It bypasses normal operation and reports component status directly.

    LED diagnostics become the primary tool when E2 (flash corruption) or a physical LCD failure prevents on-screen error codes from displaying. The technician opens the dispenser door, locates the CRIND board (upper electronics bay), and reads the blink pattern while the dispenser attempts its power-up sequence. For LCD replacement procedures, including display compatibility by model, see the dedicated guide.

    When Is the Gilbarco Error Code Not the Real Problem?

    Approximately 30% of Gilbarco dispenser service calls involve misdiagnosis where the error code points to a symptom rather than the actual failed component.

    Card Reader Code Caused by a Bad Cable

    Code 4001 (card reader communication failure) is the most expensive misdiagnosis. The CRIND cable connecting the card reader to the main board degrades from heat cycling and moisture exposure inside the dispenser. Cable replacement costs roughly $45. A new card reader module (M13940K901) runs over $400. Always test cable continuity with a multimeter before ordering the reader.

    Display Error Caused by a Loose Connector

    LCD communication errors triggered by a loose ribbon connector on the display module account for a significant portion of display-related service calls. The ribbon cable connecting the LCD to the CRIND slides out of its ZIF socket over time due to thermal expansion cycles. Reseating the ribbon takes two minutes and costs nothing. A replacement LCD module costs $200-300.

    Intermittent E5/E9 Codes from Power Quality Issues

    Recurring E5 (cold start forced) and E9 (hardware coldstart) codes without any component failure point to dirty incoming power. Voltage sags during peak demand, lightning-induced surges, and shared electrical circuits with high-draw equipment (compressors, car washes) all trigger forced restarts. Adding dedicated surge protection at the dispenser panel resolves the root cause. See the gas station surge protection guide for specifications.

    Meter Code Triggered by a Sticking Solenoid

    Code 20 (pulser disconnected) fires when the CRIND expects meter pulses that never arrive. A solenoid valve stuck in the closed position prevents fuel flow entirely, which means the meter never turns. The code blames the pulser, but the solenoid is the actual culprit. Solenoid replacement runs around $85 versus $300+ for a meter assembly.

    VaporVac Error from a Pinched Hose

    Codes 30-31 (VaporVac catastrophic/underperformance) trigger when vapor recovery pressure readings fall outside tolerance. Before ordering a $600+ VaporVac motor, inspect the vapor return hose from nozzle to dispenser for kinks, disconnections, or ice blockage in cold climates. A $15 hose clamp or reconnection resolves the issue in many cases.

    How Do You Order the Correct Gilbarco Replacement Part?

    Identify the exact dispenser model from the serial number plate located inside the main dispenser door, match the error code to the component using the tables above, then cross-reference the OEM part number with available aftermarket alternatives.

    Locating the Serial Number Plate

    Open the main dispenser door (front access panel). The serial number plate sits on the inside of the door or on the upper-left frame area. It lists the model code, serial number, manufacture date, and UL listing information. The model code uses a two-letter plus one-number format (e.g., "CB3" indicates an Encore 500S single-product mechanical unit).

    OEM vs. Aftermarket Options

    Both options exist for most high-replacement components. Card readers, LCD display assemblies, and printer modules are available in OEM and aftermarket versions. Aftermarket parts typically run 30-50% below OEM pricing with comparable reliability for non-security-critical components. For card readers specifically, OEM is recommended because encryption key injection and PCI compliance certification are tied to the manufacturer.

    What Allied Stocks for Gilbarco Dispensers

    Allied Electronics carries Gilbarco replacement parts across every model generation currently in service:

    • CRIND boards (M01750A001 and model-specific variants)
    • Card readers (M12492K903 legacy, M13940K901 current HCR2)
    • LCD display assemblies (monochrome 5.7" and color units)
    • Printer modules (thermal receipt printers for all Encore models)
    • Power supply boards (T19760-G1)
    • CRIND cables and harnesses
    • Solenoid valves
    • Meter assemblies and pulser sensors
    • VaporVac motors
    • Encore 300 and Advantage legacy components (hard-to-find parts other suppliers have discontinued)

    Petroleum dealers and service companies can set up 30-day account terms through the parts superstore. For hard-to-find legacy components or bulk orders, submit a request through the part request form for pricing and availability confirmation.

    Frequently Asked Questions About Gilbarco Encore Error Codes

    Common questions from petroleum service technicians working with Gilbarco Encore dispensers.

    What does the Gilbarco self-test check?

    The 25-second power-up self-test verifies CRIND board memory integrity, display communication, card reader connection, meter pulser signal, valve solenoid response, and network communication with the site controller. Each subsystem is tested sequentially. Failures at any stage generate the corresponding error code and may prevent the dispenser from entering service.

    How do you clear an error code after replacing a part?

    Power-cycle the dispenser by switching off the breaker for 30 seconds, then restore power. The self-test reruns automatically and clears resolved codes. If the code persists after part replacement, either the wrong component was replaced, a secondary fault exists, or the new part is defective. Some codes (E1, E8) also require reprogramming dispenser configuration from the Passport controller after the hardware fix.

    Can you run Gilbarco diagnostics remotely through the controller?

    Yes. Gilbarco Passport and Insite360 controllers support remote diagnostic queries that pull active error codes from each connected dispenser without a physical trip to the forecourt. This requires the dispenser to maintain two-wire or Ethernet communication with the controller. If communication itself is the fault (codes 11, 12, 50), remote access will not be available and a site visit is required.

    What is the most common Gilbarco Encore error code?

    Communication errors (codes 11, 12, and 50) are the most frequently reported Gilbarco dispenser error codes. The root cause is typically corroded or physically damaged two-wire cabling between the site controller and the dispenser, not a component failure inside the dispenser itself. Cable replacement or repair resolves the majority of these cases.

    Where is the serial number on a Gilbarco Encore dispenser?

    Open the main dispenser door (front access panel). The serial number plate is mounted on the inside of the door or the upper-left frame area. It lists the model code (two letters plus one number), serial number, manufacture date, and UL listing information. This plate is the definitive source for confirming model generation before ordering parts, since external appearance between Encore 500S and 700S units is nearly identical.

    TL;DR

    • E-codes (E1-E9) are system/configuration faults; numeric codes (11-8050+) point to specific hardware components.
    • Always verify root cause before ordering. 30% of service calls involve misdiagnosis (bad cable reported as bad reader, stuck solenoid reported as bad pulser).
    • Encore 300 parts are NOT interchangeable with S-series (500S/700S/900S). Confirm model from serial plate first.
    • Allied stocks Gilbarco parts across all model generations, including legacy Encore 300 and Advantage components.

    Need a Gilbarco Replacement Part?

    Allied Electronics stocks CRIND boards, card readers, LCD displays, power supplies, and legacy Encore 300 components. 57,455+ petroleum parts available with 30-day account terms.

    Request a Part →