Fisher & Paykel Dishwasher: drainage issue

Professional Repair Guide

What is this symptom?

Experiencing a drainage issue with your Fisher & Paykel dishwasher? If water remains in the tub or drawer after the wash cycle, it could be due to a clogged drain filter, blocked drain hose, or a faulty drain pump. Addressing these common causes can help restore proper drainage and ensure your appliance functions efficiently.

Urgency: Medium

Important Tips for Fisher & Paykel Models

  • Fisher & Paykel DishDrawer models have filter plates and drain filters that should be cleaned as per user manual instructions to prevent blockages.
  • Some models may display error codes for drainage faults if the drain path is obstructed or pump issues detected.

Possible Causes

Clogged drain filter or debris trap

How to Identify: Standing water after cycle, visible food debris around filter area

Part: Drain filter / filter plate

Blocked or kinked drain hose

How to Identify: Water remains; inspect hose under sink for kinks or debris; hose blockage prevents flow to drain or disposal

Part: Drain hose

Faulty or obstructed drain pump

How to Identify: Humming noise with no water evacuation; pump impeller won’t spin freely; test with multimeter or manual inspection

Part: Drain pump / motor

Garbage disposal or air gap blockage (connected drain path)

How to Identify: Dishwasher drain connected to disposal; disposal not recently run; obstructed air gap cover with debris

Part: Garbage disposal/air gap

Check valve malfunction

How to Identify: Water drains partway then returns; inspection reveals valve stuck or worn

Part: Check valve in drain path

DIY Solutions

Clean drain filter and debris trap

Easy 10–20 minutes
Tools Needed: gloves, soft brush, warm water
  1. Turn off and open the dishwasher drawer/tub
  2. Remove bottom rack and locate the drain filter/filter plate
  3. Twist and remove filter, rinse under warm water
  4. Use a soft brush to clear stubborn debris
  5. Reinstall filter and run a short rinse cycle
⚠️ Safety First: Ensure dishwasher is off before cleaning

Check and clear drain hose

Moderate 20–40 minutes
Tools Needed: screwdriver, bucket, long flexible brush
  1. Turn off power and water to dishwasher
  2. Pull unit forward to access back or underside
  3. Inspect drain hose for kinks and straighten
  4. Disconnect hose at pump/disposal and flush with warm water
  5. Use brush to clear any blockages within hose
  6. Reconnect hose securely and test
⚠️ Safety First: Be prepared for water spill when disconnecting hose

Inspect garbage disposal / air gap

Easy 5–15 minutes
Tools Needed: flashlight
  1. Locate garbage disposal where dishwasher drain connects
  2. Ensure disposal has been run and clear of food waste
  3. Check any air gap device on sink for debris and clear
⚠️ Safety First: Turn off disposal power before inspecting

Reset dishwasher control

Easy 5 minutes
  1. Turn off dishwasher via power button
  2. Wait 5–10 minutes
  3. Restore power and run a rinse cycle

Professional Repairs

Drain pump repair or replacement

Estimated Cost: $100–$250 for parts, $200–$400 including labor

Replace drain hose or internal check valve

Estimated Cost: $50–$150 parts, $150–$300 with labor

When to Call a Professional

No improvement after DIY clearing of filter, hose, and disposal
Drain pump makes unusual noises or fails electrical tests
Persistent error codes related to drainage on display

Preventive Maintenance

  • Clean drain filter and plate: Filter clogs leading to drainage issues
    Frequency: monthly
  • Inspect drain hose and disposal connection: Blockages and kinks in drain path
    Frequency: quarterly

Frequently Asked Questions

Why is my Fisher & Paykel Dishwasher drainage issue?
Common causes include a clogged drain filter, blocked drain hose, or a faulty drain pump.
How do I fix Fisher & Paykel Dishwasher drainage issue myself?
Clean the drain filter, check the drain hose for kinks, and inspect the garbage disposal for blockages.
How much does it cost to fix drainage issue?
Professional repairs can range from $200 to $400, depending on whether parts like the drain pump or hose need replacement.
When should I call a technician for drainage issue?
Call a technician if DIY solutions don't resolve the issue, especially if the drain pump may need repair.

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

75%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Clogged drain filter
  • Blocked drain hose
  • Faulty drain pump

User Suggested Solutions

  1. 1. Turn off the dishwasher and unplug it. 2. Remove the bottom rack to access the drain filter. 3. Take out the drain filter and clean it under running water. 4. Reinstall the filter and the bottom rack. 5. Plug in the dishwasher and run a short cycle to check if drainage is restored.

  2. 1. Turn off the dishwasher and unplug it. 2. Locate the drain hose at the back of the unit. 3. Inspect the hose for kinks or blockages. 4. Remove the hose and clean it if necessary. 5. Reattach the hose and plug the dishwasher back in. 6. Run a cycle to check if the issue is resolved.

  3. 1. Turn off the dishwasher and unplug it. 2. Access the drain pump by removing the lower spray arm and cover. 3. Inspect the pump for debris or damage. 4. If the pump is clogged, clean it out. If damaged, replace the pump. 5. Reassemble the dishwasher and test it.

Analysis based on 1 community discussions
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Community Discussions

drainage issue

Repaired the dishwasher but decided to replace it with a Bosch model.

Pro needed View on Reddit →

Source: Reddit r/appliancerepair

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