Quick Answer
The most common dishwasher faults across Melbourne are not cleaning properly, not draining, leaking, and not turning on at all — caused respectively by blocked spray arms, drain pump failure, door seal damage, and door latch or electrical faults.
Many of these faults follow a predictable pattern based on the dishwasher's age and how often the filter is cleaned.
Whether your dishwasher isn't cleaning, draining, leaking, or won't turn on at all, the cause is almost always one of a small number of well-understood faults. This guide covers each one.
Not Cleaning Properly
- Blocked spray arm holes from mineral deposits or food
- Clogged filter at the base of the tub
- Water not reaching wash temperature
- Incorrect detergent or overloading
Not Draining
- Blocked drain filter — the most common and easiest to fix
- Kinked drain hose
- Failed drain pump
Leaking
- Worn or damaged door seal
- Cracked tub or hose connection
- Overfilling with detergent causing excess suds
Won't Turn On
- Door not latching fully
- Tripped circuit breaker
- Control board fault
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Frequently Asked Questions
What's the most common dishwasher fault?▼
Poor cleaning results from blocked spray arms or filters is the most frequently reported dishwasher issue.
Can I fix a dishwasher that's not draining myself?▼
Often yes — check and clean the drain filter first, as a blockage there is the most common and simplest cause to resolve.
Is a leaking dishwasher always a major repair?▼
Not necessarily — a worn door seal is a simple fix, but persistent leaks from the base may indicate a more involved fault.
How quickly can a dishwasher repair be completed?▼
Most common faults are diagnosed and repaired in a single same-day visit, as technicians carry the most frequently needed parts.
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Dishank Patel
Lead Technician & Founder · DP Electric Melbourne
Dishank Patel has over 10 years of hands-on experience repairing household appliances across Melbourne's eastern suburbs. He holds all required Victorian electrical and gas licensing and has personally repaired thousands of appliances across brands including Bosch, Miele, LG, Samsung, and Fisher & Paykel.