AGA dishwasher not draining / water left in the tub
Very common issue — here is how we diagnose it, which parts are usually involved, and when to call a pro.
- Very common
- Starts with cleaning
- Dishwasher
Symptoms
What you will notice
- Standing water at the end of a cycle
- Cycle stalls
- Gurgling
Likely causes
What is usually behind it
- Filters cloggedmost common
- Drain hose kinked or air gap blockedvery common
- Drain pump blocked by debris or glasscommon
- Drain pump failedcommon
- Garbage disposal knockout plug not removed at installationcommon on new installs
Diagnostics
How a technician diagnoses it
Our technicians follow the factory diagnostic path for this fault.
- 1Clean the filters — the owner's guide has a dedicated 'Cleaning the Filters' procedure and this is the first check.
- 2Cancel-cycle behaviour for reference: press and hold Program Selection/Cancel for 3 seconds, 3-2-1 counts down, 0:01 displays, close the door and draining completes in about 2 minutes with a beep.
- 3Check the drain hose routing, high loop and air gap.
- 4Inspect and clear the drain pump.
- 5This is a Middleby Residential / Viking platform — use Viking-platform service data for pump testing and fault codes.
Safety & DIY disclaimer
Guides on this site are for information only. Appliance repair involves 240V electricity, gas connections, refrigerant and heavy cast-iron parts — anything you do yourself is at your own risk and can damage the appliance or cause injury. The safe option is to book a qualified technician.
Parts
Parts usually needed
We confirm the failing part with diagnostics before replacing anything.
Coverage
Appliances affected
Keep reading
Related AGA problems
Frequently asked questions
Can I fix this myself?
Starts with cleaning. You can try the basic checks listed on this page; if the symptom returns, book a diagnostic visit.
How much does it cost to fix this issue?
Every visit starts with diagnostics and a written estimate — the diagnostic fee applies toward your repair when you proceed. We never start work without your approval.
Not sure? We diagnose first.
Book a diagnostic visit — you get a written estimate before any work, and the diagnostic fee applies toward your repair.
Mon–Sun 8:00AM–8:00PM
Independent service company — not affiliated with or authorized by AGA / AGA Rangemaster (Middleby). We repair out-of-warranty AGA appliances.