AmazonCommercial Garbage Disposals Error Codes

E1

Garbage disposal will not power on at all; no humming, no sound, internal status LED (if equipped) flashes once repeatedly.

Line Power or Reset Circuit Fault

E10

Water leaks from the bottom of the disposal housing, even when the unit is off; internal LED (if equipped) may show ten flashes indicating internal seal failure.

Internal Motor Shaft Seal / Grind Chamber Leak

E11

Disposal runs but has very weak grinding performance; food remains largely intact and is not being broken down properly.

Dull Shredder Ring / Worn Impellers

E12

Disposal emits a burning smell and may shut off; housing feels very hot to the touch after short use.

Overheating Motor / Insulation Breakdown

E13

Disposal makes a loud humming noise and then the reset button trips almost immediately when switched on.

Locked Rotor with Overload Trip

E14

Disposal runs but vibrates excessively and causes the sink or countertop to shake.

Unbalanced Grind Plate / Mounting Misalignment

E15

Disposal will not turn on from the wall switch, but there is confirmed power at the outlet or junction box.

Control Switch / Wall Switch Circuit Fault

E16

Disposal turns on by itself or continues to run after the wall switch is turned off (for non-batch-feed models).

Stuck Wall Switch Contacts / Miswired Circuit

E17

Disposal is extremely loud, with rattling or banging noises when grinding normal food waste.

Loose Mounting / Chamber Resonance

E18

Disposal emits a persistent foul odor even after running with water.

Organic Buildup in Grind Chamber and Drain

E19

Water splashes excessively out of the sink opening when the disposal is running.

Missing or Deformed Splash Guard / Excessive Back Pressure

E2

Garbage disposal hums when switched on but grinding plate does not spin; internal LED (if equipped) flashes twice repeatedly.

Impeller Plate Jam / Rotor Locked

E20

Disposal will not accept food easily; opening seems too tight and food sits on top of the splash guard.

Restricted Inlet / Stiff Splash Guard

E21

Disposal trips the GFCI outlet intermittently, especially when starting.

Ground Fault Sensitivity / Inrush Current Issue

E22

Disposal runs but water backs up into the opposite sink bowl in a double-bowl sink.

Improper Double-Bowl Drain Configuration / Partial Blockage

E23

Disposal makes a high-pitched whine but does not grind effectively; sounds like it is spinning too freely.

Free-Spinning Motor with Disengaged Grind Plate

E24

Disposal runs but occasionally seizes and then restarts on its own during a single use.

Intermittent Mechanical Binding / Overload Cycling

E3

Disposal stops mid-operation and will not restart until it cools; reset button frequently trips; LED (if equipped) flashes three times.

Motor Overload / Thermal Protector Tripping

E4

Disposal runs but water backs up into sink; grinding seems normal but sink drains very slowly or not at all; some models may flash four times on internal LED.

Drainage Restriction / Discharge Blockage

E5

Newly installed AmazonCommercial disposal runs but dishwasher water backs up into sink or leaks from dishwasher inlet; some models may indicate five flashes on internal LED when sensing backflow.

Dishwasher Inlet / Knockout Plug Issue

E6

Disposal turns on but immediately trips the circuit breaker or GFCI; may show six internal LED flashes on some models before losing power.

Short Circuit or Ground Fault in Motor Circuit

E7

Disposal runs but makes a loud metallic grinding or scraping noise even when empty; internal LED (if equipped) may flash seven times indicating unbalanced or loose components.

Loose or Damaged Impeller / Foreign Object Contact

E8

Disposal runs but water leaks from the top where it meets the sink; some models may indicate eight flashes on internal LED for upper seal leak detection (if moisture sensor equipped).

Sink Flange / Mounting Gasket Leak

E9

Water leaks from the side discharge connection where the disposal connects to the drain pipe; may be accompanied by nine internal LED flashes on some models.

Discharge Elbow / Tailpiece Seal Leak

Symptom

Disposal causes a low-frequency humming or buzzing noise in nearby plumbing even when not running.

Water Hammer / Resonance in Shared Plumbing

Symptom

Disposal causes noticeable dimming of lights or flickering when starting.

High Inrush Current / Marginal Electrical Circuit

Symptom

Disposal hums quietly but does not spin; no reset trip, and humming continues as long as switch is on.

Stalled Motor Due to Jammed Chamber

Symptom

Disposal intermittently fails to start unless the sink flange is pressed or the unit is jiggled.

Loose Mounting or Internal Connection

Symptom

Disposal leaks only when the dishwasher is draining.

Dishwasher Inlet Hose or Nipple Leak

Symptom

Disposal makes a rattling noise only when first turned on, then quiets down.

Loose Debris in Chamber / Initial Start-Up Rattle

Symptom

Disposal runs but water leaks from the electrical wiring compartment cover.

Water Intrusion into Wiring Compartment

Symptom

Disposal runs but water slowly seeps from slip-joint connections on the drain piping below the unit.

Loose or Misaligned Slip-Joint Washers

Symptom

Disposal sprays water out around the sink flange when running, even with a splash guard installed.

Improper Splash Guard Fit / High Back Pressure

Symptom

Disposal will not turn on; no sound, but outlet has power and reset button does not appear tripped.

Failed Internal Overload Protector or Open Motor Circuit

Symptom

Disposal works but occasionally emits a metallic clank as if something is loose inside.

Loose Impeller Lug or Foreign Metal Fragment