If the water in your sink is not coming out when your washer is running, it could be due to a plumbing issue. Here are a few possible reasons for this problem:
Clogged drain: There might be a clog in your plumbing system that is preventing water from flowing properly. When your washer drains water, it could be backing up into other connected pipes, causing the water in your sink to not drain properly. Try using a plunger or a drain cleaner to clear any potential clogs.
Shared drain line: Your washing machine and sink might share a common drain line. If this line is clogged or partially blocked, it can cause water from the washer to back up and affect the sink drainage. You may need to inspect the shared drain line and clear any obstructions.
Venting issue: Proper venting is essential for the smooth flow of water in your plumbing system. If the venting is blocked or restricted, it can create negative pressure, preventing water from draining properly. This issue can manifest as slow draining or complete blockage. A professional plumber can assess and address any venting problems.
Plumbing system design: In some cases, the plumbing system design may be inadequate, leading to drainage problems. If the pipes are not properly sized or the slope of the drain pipes is incorrect, it can cause water flow issues and affect drainage from various fixtures. A plumber can evaluate the system and recommend any necessary modifications.
It is recommended to consult a licensed plumber to diagnose and resolve the issue correctly. They will have the expertise and tools to identify the underlying cause and provide the appropriate solution to restore proper drainage.