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Your Dishwasher Tablet Is Still There After the Cycle? A Blocked Dispenser Door Is Why

Detergent tablet untouched after a full cycle? A large plate or pot is likely blocking the dispenser door. Free fix or …

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Your Dishwasher Tablet Is Still There After the Cycle? A Blocked Dispenser Door Is Why - Appliance Repair Guide Nairobi Kenya by Repair Ready
April 26, 2026 4 min read read Repair Ready 29 Comments

Your Dishwasher Tablet Is Still There After the Cycle? A Blocked Dispenser Door Is Why

You load the dishwasher. You put a detergent tablet in the dispenser. You close the door and start the cycle. Two hours later, you open the door. The tablet is still sitting in the dispenser, unmelted. Your dishes were washed with nothing but hot water.

Why the Detergent Dispenser Doesn't Open

  • The dispenser door is blocked by a large item: A tall plate or pot handle can physically prevent the door from opening.
  • The latch is broken: The wax motor or spring that pops the door open has failed.
  • The control board isn't sending the signal: The dishwasher never tells the dispenser to open.

The Loading Mistake 50% of Nairobi Homes Make

Place large items (cutting boards, cookie sheets, large pots) on the bottom rack only, and never against the dispenser door. The dispenser needs clearance to pop open. Rearrange your load and run a short cycle to test.

Wax Motor Replacement

If loading isn't the issue, the wax motor (which pushes the dispenser door open) has failed. Part cost: KSh 1,500-3,000. Labor: KSh 1,500-2,500. Total: KSh 3,000-5,500.

"My Bosch dishwasher left the detergent tablet untouched. I rearranged the load — a cutting board was blocking the dispenser. Free fix. I felt silly but grateful." — David, Westlands

📞 Call 0707 790 099 if rearranging the load doesn't solve the problem.

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Repair Ready

Certified appliance repair technician at Repair Ready Kenya with extensive experience repairing fridges, washing machines, cookers, ovens, dishwashers and all major home appliances across Nairobi, Kiambu and Machakos.

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