Bertazzoni Dishwasher Error Codes

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📋 Error Code Index — Bertazzoni Dishwasher

E1 Fill Timeout E3 Heating Fault E4 Drain Fault E9 Door Latch Fault

Fill Timeout

Dishwasher did not reach required water level within allowed fill time.

Medium Priority

Possible Causes
Water supply valve closed or partially restricted
Inlet valve solenoid failed — not opening on demand
Low household water pressure below 20 psi minimum
Inlet valve screen clogged with mineral deposits
Diagnostic Steps
1Verify water supply valve under sink is fully open
2Check household water pressure — minimum 20 psi required
3Inspect and clean inlet valve screen
4Test inlet valve solenoid resistance — replace if failed

Heating Fault

Water not reaching required wash temperature within allowed time — heating element or NTC sensor fault.

Medium Priority

Possible Causes
Heating element failed open circuit
NTC temperature sensor failed — incorrect reading
Control board relay not energizing heating element
Diagnostic Steps
1Test heating element resistance — OL reading confirms open circuit
2Test NTC sensor resistance at room temperature
3Replace heating element if open circuit confirmed
4Replace NTC sensor if out of specification

Drain Fault

Appliance not draining within the allowed time — water remains in tub after cycle.

Low Priority

Possible Causes
Drain pump filter blocked with food debris
Drain hose kinked or improperly routed
Drain pump motor failed
Diagnostic Steps
1Remove and clean drain pump filter thoroughly
2Inspect drain hose for kinks and proper routing
3Test drain pump motor continuity — replace if failed

Door Latch Fault

Door not confirmed closed or latch microswitch not signaling secured position — cycle cannot start.

Medium Priority

Possible Causes
Door not fully pushed closed
Door latch microswitch failed
Door latch hook damaged or misaligned
Diagnostic Steps
1Push door firmly closed — listen for audible latch click
2Inspect latch hook and strike plate for damage or misalignment
3Test door latch microswitch continuity — replace if open when latched

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Important Notice: Dishwasher error code information on this page is based on Bertazzoni manufacturer service documentation. Always disconnect power and water supply before inspecting internal components. Fault behavior and diagnostic steps may vary by model and production date. When in doubt, contact a certified appliance technician. AppliancesCare Appliance Repair LLC provides this information for educational purposes only.