Service Guy AI • Commercial Laundry Equipment • Medium severity • Intermediate skill • ~30 min repair
Quick fix:Check for any obstructions in the drain pump and clear them if necessary.
What Does Dexter Error Code F16 Mean?
Dexter error code F16
This is a medium-severity fault. The machine may complete the current cycle but is signalling a problem you should resolve before it escalates.
Possible Causes (5)
Dexter engineers identify the following root causes for fault code F16. Work through them in the order shown — they are listed from most common to least common.
Faulty pressure switch
Clogged drain pump
Door interlock malfunction
Control board issue
Incorrect water level detected
Step-by-Step Troubleshooting (5 steps)
Follow this sequence to diagnose and clear Dexter error code F16. Power down and unplug the machine before any internal inspection.
Disconnect power before servicing.
Inspect the pressure switch for proper operation.
Check the drain pump for clogs or obstructions.
Test the door interlock for continuity.
Examine the control board for any visible damage or burnt components.
Required Parts
Have these Dexter OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.
Pressure switch
Drain pump
Door interlock
Wiring harness
Control board
Diagnostic Test Mode
Enter Dexter diagnostic test mode: Hold 'Medium + Start' for 5 seconds
Skill Level & Repair Time
This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 30 minutes of active repair time once parts are on hand.
Get AI-Powered Diagnosis
If the steps above don't resolve Dexter F16, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact Dexter model number, including supplier links for required parts and on-call technician escalation.