Commercial Dishwashers

Commercial dishwasher not draining

Rack dishwasher leaving standing water after a cycle

Safe preliminary checks permitted

Standing water in the wash tank after draining

Likely causes

· Drain path blocked by debris
· Drain pump or valve fault
· Drain hose kinked or without fall

Safe preliminary checks

· Switch off at the isolator and clear the visible tank strainer
· Confirm the drain hose has continuous fall and is not kinked
· Check the drain solenoid is not stuck closed

When it needs a professional

Replacing a drain pump involves water and electrical work - book a technician.

Stop immediately if

· Smoke, burning smell or water on live parts
· Refrigerant leak, gas odour or pressure vessel noise