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OEM VERIFIED BENCH
OFFICIAL FAULT CODEE03
Hoover
Hoover // OFFICIAL DIAGNOSTIC BENCH

Hoover E03

DishwasherDrainage System & Drain Pump
Premium built-in dishwasher with open illuminated stainless steel interior and precision spray arms
Dishwasher
Select Appliance Type
0ms Instant Telemetry Switch
Other Brands Sharing Code E03:BoschE03SiemensE03SamsungE03LGE03ElectroluxE03AEGE03BekoE03HaierE03CandyE03NeffE03

Symptom / Description

FAULT

Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Drain pump evacuation timeout E03; water remains detected in sump chamber after drain cycle timer elapses.

TELEMETRY // LIVESIG: FAULT_DETECTED

Root Cause

ROOT CAUSE

On Hoover dishwashers powered by H-DISH Maxi Tub architecture, Triple Self-Cleaning micro-filtration wash system, and hOn Wi-Fi connectivity: Toothpick or small bone jammed in pump impeller chamber, clogged corrugated drain hose, or worn pump motor (~160–220 Ω).

CIRCUIT // SUBSYSTEMLOGIC: ROOT_ISOLATED

Repair Instructions

UNLOCKED
1Remove sump filter cover and clear debris around drain impeller. Ensure hose is unobstructed to drain standpipe. Measure pump coil resistance (~160–220 Ω). Hold the Programme selector button and Start/Pause together for 6 seconds until all indicator LEDs light up, then power off.
AI diagnostic workshop engine analyzing appliance circuit schematics and error telemetry in real time
AI WORKSHOP PROTOCOL ENGINE
Direct extraction from OEM factory manuals & wiring schematics

Field Actions

DISPATCH
Need Help? Call a Certified TechnicianWorldwide Hoover Parts Finder
Electrical & Safety Protocol

Always disconnect appliance from 230V/400V mains before opening panels. Use CAT III multimeter for circuit testing.

CALIBRATED BENCH PROTOCOL // CAT III 600V

Workshop Verification & Safety Checklist

WORKSHOP VERIFICATION PROTOCOLDrainage System & Drain PumpDishwasher
2. Multimeter & Electrical Bench Tests (Ω)
MODE: OHMMETER (Ω)AUTO-RANGE
Precision digital multimeter probes measuring electrical resistance in Ohms on an appliance control board
CALIBRATED METROLOGY RESISTANCE BENCH (CAT III)
Nominal Resistance (Ω)
160Ω–220Ω (Sync 230V) / 20Ω–45Ω (3-Phase BLDC)NOMINAL
0 Ω (SHORT)CALIBRATED BAND∞ OL (OPEN)
▲ NOMINAL OPERATING WINDOW
Target Component:Drain Pump Motor Stator Coils
Test Pins & Connections
PROBE (+)
PROBE (-)
Across pump motor spade terminals (L-N unclipped)
Tolerance & Diagnostic Criteria±10% balance. Insulation resistance between coil and motor chassis must exceed 20MΩ.
1. Pre-Intervention Electrical Safety Protocols
  • !Electrical Safety Protocol: Isolate 230V mains power before accessing the lower pump housing.
  • !Prepare a shallow basin and absorption towels: expect 3 to 10 liters of stagnant trapped water upon filter opening.
  • !Beware of sharp foreign objects (broken glass, needles, screws) trapped inside the impeller cavity.
3. Preliminary Mechanical & Visual Checks
  • Unscrew coin trap filter and clear all foreign debris (coins, hairpins, bra underwires).
  • Rotate pump impeller manually: synchronous magnetic rotors should snap cleanly in 90° intervals without jamming.
  • Check drain hose for kinks, blockages, or unpunched sink spigots; verify drain height is between 65cm and 100cm.
Perform these diagnostic steps before triggering AI Deep Search or replacing boards.Certified Workshop Routine

Frequently Asked Questions: Hoover E03

FAQ TREE
What does error code E03 mean on a Hoover appliance?

Hoover error code E03 indicates: Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Drain pump evacuation timeout E03; water remains detected in sump chamber after drain cycle timer elapses..

What is the root cause of Hoover error code E03?

The primary root cause for Hoover code E03 is: On Hoover dishwashers powered by H-DISH Maxi Tub architecture, Triple Self-Cleaning micro-filtration wash system, and hOn Wi-Fi connectivity: Toothpick or small bone jammed in pump impeller chamber, clogged corrugated drain hose, or worn pump motor (~160–220 Ω)..

How do I fix or resolve Hoover error code E03?

To resolve error code E03: Remove sump filter cover and clear debris around drain impeller. Ensure hose is unobstructed to drain standpipe. Measure pump coil resistance (~160–220 Ω). Hold the Programme selector button and Start/Pause together for 6 seconds until all indicator LEDs light up, then power off.

Is it safe to clear Hoover error code E03 by resetting power?

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Hoover code E03 persists, the physical component causing On Hoover dishwashers powered by H-DISH Maxi Tub architecture, Triple Self-Cleaning micro-filtration wash system, and hOn Wi-Fi connectivity: Toothpick or small bone jammed in pump impeller chamber, clogged corrugated drain hose, or worn pump motor (~160–220 Ω). must be inspected or replaced.

How do I test electrical resistance for Hoover code E03 using a multimeter?

Set a digital multimeter to ohms (Ω). Disconnect power and test Drain Pump Motor Stator Coils across Across pump motor spade terminals (L-N unclipped). Expected nominal reading is 160Ω–220Ω (Sync 230V) / 20Ω–45Ω (3-Phase BLDC). Tolerance: ±10% balance. Insulation resistance between coil and motor chassis must exceed 20MΩ..

What safety protocol must be followed before servicing Hoover code E03?

Standard electrical safety protocol: 1. Disconnect 230V mains power before opening panels. 2. Verify zero voltage at test points. 3. Allow hot water or heating elements to cool below 30°C before handling.

Community Verification

COMMUNITY

Did this solution resolve the issue?

SEMANTIC KNOWLEDGE GRAPH // HOOVER

Related Hoover Dishwasher Error Codes

Diagnostic Link Mesh14 OEM Cross-References

Cross-referenced diagnostic codes for technicians inspecting similar component subsystems.

E04Drainage System & Drain Pump
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Bottom tray anti-flood switch activ...
Inspect Protocol
E05NTC Temperature Sensor & Thermistor
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Water temperature sensor measuremen...
Inspect Protocol
E06Electronic Control Board (PCB) & Bus Communications
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Main control board EEPROM verificat...
Inspect Protocol
E07Drive Motor, Inverter & Tachometer Sensor
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Circulation wash pump motor rotatio...
Inspect Protocol
E08Heating Element, Thermostat & Safety Fuse
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Flow-through heater circuit open E0...
Inspect Protocol
E1Water Inlet Valve, Aquastop & Flowmeter
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Water inlet fill failure E1; applia...
Inspect Protocol
E10Drive Motor, Inverter & Tachometer Sensor
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Water diverter valve timeout E10; m...
Inspect Protocol
E12Drainage System & Drain Pump
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Software sequence logic fault E12; ...
Inspect Protocol
E14Water Level Pressure Switch & Air Dome
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Flowmeter signal missing during fil...
Inspect Protocol
E15Water Level Pressure Switch & Air Dome
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Spray arm rotation / water pressure...
Inspect Protocol
E16Water Inlet Valve, Aquastop & Flowmeter
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Water softener regeneration valve f...
Inspect Protocol
E17Water Inlet Valve, Aquastop & Flowmeter
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: High water inlet flow / pressure fa...
Inspect Protocol
E18Water Level Pressure Switch & Air Dome
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Low water level during circulation ...
Inspect Protocol
E2Water Inlet Valve, Aquastop & Flowmeter
Hoover H-DISH 300 / 500 / 700 Maxi Tub Smart Dishwasher: Water fill timeout E2; flowmeter tu...
Inspect Protocol
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