Booking today · Houston arrival windows 8–10 · 10–12 · 12–2 · 2–4 Thermador repair specialists, independent · Licensed & insured Mon–Fri 7:00 AM - 8:00 PM · Sat 8:00 AM - 6:00 PM
(713) 597-4873 Book an Appointment
Error code · Dishwasher

Thermador Dishwasher 5 Indicator: Salt Refill Reminder

A plain "5" on the display looks like a code, but it is only a reminder. Thermador documents this indicator as meaning there is no water-softening salt in the dishwasher, and it is not an error.…

Minor · safe to check yourself
Code
5
Appliance
Dishwasher
Brand
Thermador
Warranty
30-day workmanship

What 5 means

A plain "5" on the display looks like a code, but it is only a reminder. Thermador documents this indicator as meaning there is no water-softening salt in the dishwasher, and it is not an error. The machine has run enough cycles to use up the salt and wants the reservoir topped up. Nothing is broken, and the reminder clears once the reservoir has been refilled.

Usual causes of 5

  • Salt used up gradually over many cycles
✓ A safe check worth trying

1. Open the door and pull out the lower rack. 2. Unscrew the cap of the salt compartment at the bottom of the tub. 3. Fill it with dishwasher salt as your manual instructs, wiping any spilled grains away. 4. Screw the cap back on firmly and run a rinse cycle. Use only salt made for dishwashers.

! Why you should stop here
  • It is routine upkeep and not a repair, so a visit is not needed.
  • Calling a technician for it costs more than the reminder is worth, unless refilling does not clear the "5".
Taking off a panel yourself does not by default void a manufacturer warranty, yet it can lead to accidental damage, and some manufacturers attach their own service terms. Read your warranty paperwork, or ask us, before you decide.
→Same appliance

More Dishwasher codes

55 questions
How often do I need to add salt?

It depends on your water hardness and how often you run the machine. Your manual gives a general interval, and the indicator tells you exactly when it is time.

What if "5" stays on after I refill?

Run a cycle first, since some models only clear the indicator after a wash. If it is still showing afterward, contact us and we will check the sensor.

Is this a sign of a leak or breakdown?

No. Thermador documents it as a notice and not an error. It simply tells you the salt reservoir is empty. Our work carries a 30-day workmanship warranty.

Request service

Not sure about 5?

Our technician checks it in your home and hands you a written price before touching anything.