Jura Coffee Maker Leaking Water? 5 Fixes (E6, E8, S8, Z6)

Most Jura "Leaks" Are Water the Machine Meant to Release

A Jura puddle is usually the drip tray or a rinse without a cup under it. JURA's E6, E8, S8, Z6 and Z10 manuals have no leak entry in their troubleshooting tables. What they do describe is a lot of deliberate water: rinses at switch-on, rinses at switch-off after a coffee, filter rinses straight into the drip tray, and maintenance programs that run water out of two spouts at once.

JURA also says to put the machine "on a horizontal surface that is not sensitive to water", which tells you some water around it is expected. Genuine internal leaks are a service job. The manuals say the machine has no user-serviceable parts and not to remove any service covers.

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Try This First

• Check the drip tray. If "Empty drip tray" is showing, or the tray is brim-full, that's your puddle.
• Look for water right after switching on. The Jura rinses its coffee system at switch-on. With no cup under the coffee spout, that water lands on the cup platform and runs into the tray, or onto the counter if the tray is out.
• Think about what just ran. Descaling, cleaning, filter changes and milk rinses all send water out of the spouts or into the tray.
• Look at the milk spout. Milk spraying out of the frother is a dirty-frother symptom in every manual, not a leak.
• Check the counter is level. JURA wants a horizontal surface.

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Fix 1: Empty the Drip Tray and Grounds Container (Works About 35% of the Time)

The drip tray collects rinse water all day, and a full one overflows at the front. JURA's machines stop you making drinks once they detect a full tray and show "Empty drip tray". Water that reached the tray before the message, or a tray pulled out mid-cycle, still ends up on the counter.

Signs it's this one: water pools at the front of the machine, and the tray is full or the message is showing.

1. Wait until the machine is ready for use. JURA warns never to pull the drip tray out during brewing, only when the display asks or when the machine is ready.
2. Pull out the drip tray and the coffee grounds container, and empty both.
3. Rinse them with warm water. JURA's maintenance table lists the drip tray, its insert and the grounds container as dishwasher-safe.
4. Refit the grounds container with the machine switched on. That's the only way to reset the grounds counter.
5. Slide the tray fully back in. If "Drip tray not fitted" appears, it isn't seated.

Time: 5 minutes
Cost: Free
Success Rate: About 35%
Difficulty: Easy

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Fix 2: Put Cups Under the Spouts for Rinses (Works About 25% of the Time)

Every Jura rinses itself at switch-on. The E6, E8 and Z10 also rinse at switch-off if you made a coffee, and the Z6 does so automatically. JURA's instruction is to put a receptacle under the coffee spout, and another under the milk spout, before pressing On/Off. Without them, the rinse water splashes over the cup platform.

Signs it's this one: water appears right after you switch the machine on or off, and it's clear water, not coffee.

1. Before switching on or off, place a cup under the coffee spout.
2. On milk models, put a second cup under the fine foam frother (E6, E8, S8) or the dual spout (Z6, Z10).
3. Leave both in place until "Machine is rinsing" finishes.
4. After making a milk drink, expect the milk system rinse as well. On the E8 you can set it to run automatically or start it by hand, so keep a cup under the frother either way.

Time: 1 minute
Cost: Free
Success Rate: About 25%
Difficulty: Easy

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Fix 3: Set Up Receptacles Before Maintenance Programs (Works About 15% of the Time)

JURA's maintenance programs are wet by design. Descaling runs water repeatedly out of the hot-water nozzle and the milk spout. The cleaning program runs water out of the coffee spout and the milk spout. A new filter cartridge rinses "directly into the drip tray". Each one also asks you to empty the drip tray part way through.

Signs it's this one: the water appeared during or just after descaling, cleaning or a filter change.

1. Before descaling, empty the drip tray and grounds container, and put receptacles under the hot-water nozzle and the milk spout.
2. Empty the tray and receptacles every time the display asks. Descaling on the E6 and E8 takes about 40 minutes, and about 45 on the S8, Z6 and Z10.
3. Don't interrupt descaling. JURA warns that stopping it may damage the machine. If it stops unexpectedly, rinse the water tank thoroughly.
4. For the cleaning program (about 20 minutes), put receptacles under the coffee spout and the milk spout, and empty the tray at the start and end.
5. After a filter change, empty the tray once the filter rinse finishes.

Each program is covered step by step in the Jura maintenance and cleaning guide.

Time: 20-45 minutes, depending on the program
Cost: Free (JURA descaling or cleaning tablets for the program itself)
Success Rate: About 15%
Difficulty: Easy

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Fix 4: Clean the Milk Spout When It Sprays (Works About 15% of the Time)

Every Jura manual lists milk spraying out of the frother as a symptom of a dirty frother, together with poor foam. On the Z6 and Z10, it can also mean the dual spout's cover isn't fitted, or the milk temperature is set too high.

Signs it's this one: milk, not water, on the machine and counter around the spout.

1. Run the milk system clean from the maintenance menu, using JURA milk system cleaner only. JURA warns that other cleaners can leave residue that blocks the frother and makes it fly off the machine.
2. If it still sprays, remove the frother (or the milk system from the Z6/Z10 dual spout), take it apart and rinse every part under running water. Soak dried milk in 8.5 oz (250 ml) of water with one dose of milk system cleaner first.
3. Reassemble it firmly. JURA stresses that every part must be correctly and firmly connected.
4. On the Z6 and Z10, make sure the dual spout's cover is on. "Spout is not fitted" means it isn't. Lower the milk temperature if the spray continues.
5. Clean the milk system daily whenever you make milk drinks.

Time: 10-15 minutes
Cost: JURA milk system cleaner
Success Rate: About 15%
Difficulty: Easy

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Fix 5: Have an Internal Leak Checked by JURA (Works About 10% of the Time)

If water keeps appearing under the machine with the tray empty and seated, no rinse or program running, and the counter level, it's coming from inside. That's where the manuals stop. They say not to remove any service covers or try to disassemble the base, that there are no user-serviceable parts, and that repairs must be done by authorized personnel.

⚠️ Safety: water under a machine that's plugged in is an electrical hazard. Switch it off, unplug it and dry the area before anything else.

1. Switch off with the On/Off button and unplug the machine.
2. Wipe up the water and note exactly where it collects: front, back or one side.
3. Don't open the housing.
4. Contact JURA customer support. In the US, that's 1-800-220-5701 (info@us.jura.com). In Canada, call 1-855-544-8600.

Time: A phone call
Cost: Depends on warranty and service
Success Rate: About 10%
Difficulty: Service job

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Model Differences

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When DIY Won't Work

Stop and contact JURA if:

• Water collects under the machine with the tray empty and no program running.
• You smell burning or see damage. JURA's instruction is to unplug immediately and contact customer service.
• Any "Error" message other than 2 or 5 appears. JURA says to switch off and contact customer support. Errors 2 and 5 mean the machine got too cold; let it warm up to room temperature.
• The grinder makes a very loud noise. JURA puts that down to foreign objects in the grinder, a customer-support job.

Warranty: JURA's "never do (or you will void your warranty protection)" list includes putting anything but fresh, cold water in the tank, mineral or carbonated water, and doing anything not described in the manual.

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Keeping a Jura Dry

• Empty the drip tray and grounds container daily. Refit the grounds container with the machine on.
• Keep cups under the spouts at switch-on and switch-off.
• Run maintenance programs when the display asks, with receptacles in place, and let them finish.
• Clean the milk system daily when you make milk drinks, with JURA's cleaner.
• Rinse the water tank daily and refill it with fresh, cold water only.

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FAQ

Why is my Jura E8 leaking water from the bottom?

Usually the drip tray is overflowing at the front, or a switch-on rinse ran without a cup under the spout. Empty the tray and grounds container and keep cups under the spouts. If water still collects with the tray empty, unplug the machine and call JURA. The manuals give owners no internal repair.

My Jura drips between coffees. Is that normal?

Some water into the drip tray is normal. Jura machines rinse at switch-on, after milk drinks and during programs, and a new filter cartridge rinses straight into the tray. Water on the counter is not normal. Check the tray is fully seated and not overflowing.

Can I use non-JURA descaling tablets or vinegar?

No. JURA's manuals say to use only original JURA descaling tablets. They warn that other agents, vinegar included, may contain substances that damage the machine or leave residues.

Do I need to take out the brew group to stop a leak?

No. None of the E6, E8, S8, Z6 or Z10 manuals describes removing the brewing unit. They say there are no user-serviceable parts and not to remove service covers, so a leak from inside is for JURA service.

Is a leaking Jura safe to keep using?

Not if water is pooling under it. Switch it off, unplug it and dry the area. A full drip tray or a rinse without a cup is harmless once cleaned up. Water from inside the machine needs JURA service before you use it again.

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Related Jura Guides

• Jura maintenance and cleaning guide: the daily routine and when each program runs
• Jura won't turn on
• Jura Z10 problems and messages
• Jura descaling guide
• Jura complete troubleshooting guide

Sources: JURA Instructions for Use for the E6 (NAC), E8 (NAC), S8, Z6 and Z10 (NAA), US editions.