Dishwasher Leaking or Not Draining – Common Causes & Expert Fixes

Professional Repairs by Advance Appliance Ltd | Edmonton • Calgary • Red Deer

A leaking or non-draining dishwasher can cause more than just a mess it can lead to water damage, mold, and expensive repairs. At Advance Appliance Ltd, we specialize in diagnosing and repairing dishwashers that leak, don’t fill with water, or leave standing water after a cycle. Our certified technicians are available across Edmonton, Calgary, Red Deer, and surrounding areas.

🚨 Signs of Dishwasher Trouble

• Puddles or leaks under or around the unit
• Water remaining at the bottom after a cycle
• Dishes still dirty or foggy
• Error codes flashing on the panel
• Strange noises or humming during cycle

💧 Common Causes & Fixes

Issue	Cause	Fix
Leaking from bottom or door	Worn door gasket, faulty float switch	Replace gasket, check float switch and tighten clamps
Water left in bottom	Clogged drain hose or filter, broken drain pump	Clean filter, clear hose, replace pump if needed
No water entering unit	Faulty inlet valve, float stuck in “up” position	Replace inlet valve, free up float
Leaking mid-cycle	Too much detergent, cracked spray arms	Use proper detergent, replace spray arms
Overflow tray leak (tray models)	Drain block, unlevel machine	Clean drain path, adjust leveling feet

🔧 Dishwasher Error Codes Explained

• Samsung OC – Over-level water (overflow or drain clog)
• Whirlpool F8E4 – Water in overflow tray detected
• LG AE – Leak error triggered by bottom sensor

👨‍🔧 Why Trust Advance Appliance Ltd?

• In-house, factory-trained technicians
• Authorized service partner for LG, Whirlpool & more
• Fully stocked service vans for same-day repair
• Transparent rates, no subcontractors

📍 Our Dishwasher Repair Service Area

Advance Appliance Ltd proudly services: