U-Line Outdoor Nugget Ice Maker E9: Door 1 Not Closed
When E9 shows on an Outdoor Collection ice maker from U-Line, the control does not see Door 1 closed. Nugget ice making pauses until the first door is shut and sensed.
What does U-Line outdoor refrigeration code E9 mean?
For the UONB115 and UONP115 nugget ice makers in the U-Line Outdoor Collection, E9 stands for an open Door 1. The first door has not been seen in its closed position, so the unit pauses ice production and holds E9 on the display. The code clears when the door closes and is sensed. Door 2 reports as the number 10, and the two codes together show which door is the open one.
E9 at a glance
- Code
- E9
- Appliance
- U-Line outdoor refrigeration
- Applies to
- U-Line Outdoor Collection nugget ice makers
- Type
- Normal status, not a failure
- Can you clear it yourself?
- Yes, it is a normal message or setting
- Most likely cause
- Door 1 was left standing open a little
What you may notice with E9
- E9 appears on the display of the ice maker
- Ice making stops while the code shows
- Door 1 sits slightly off the cabinet frame
- Ice in the bin melts or softens faster than usual
How the outdoor refrigeration detects E9
Each door on an Outdoor Collection nugget ice maker has a switch that tells the control whether the door is closed. Door 1 is the first door. While its switch reports closed, the control carries on with ice making as normal. When the switch stops reporting a closed door, the control pauses the process and shows E9.
The pause matters on a unit that stays outside. An open door lets warm air reach the ice in the bin and the cold surfaces inside, and the ice melts quickly. Outdoor units also collect grit and moisture around the switch, which can make a closed door look open. When the switch reports closed again, the control removes the code and ice making resumes. Door 2 is monitored separately and reports as the number 10, so one door can be fine while the other shows its message.
Why E9 appears
- Door 1 was left standing open a little
- A cover or other object keeps the door edge off the cabinet
- The seal has slipped out of position
- The first door switch does not report closed
Can you keep using the outdoor refrigeration with E9?
Yes. E9 is a door message and not a danger. Close Door 1 properly and the unit should go back to making ice by itself. Until then, no new ice will form, and the ice in the bin will melt faster than it would behind a sealed door. If the code stays with the door shut, the unit can stay powered, but the ice supply stays paused until the switch or seal is dealt with.
What you can safely check
- Standing water near the unit means the breaker goes off before you touch anything; a dry pad means you can leave the power on.
- Push Door 1 shut and listen for the latch.
- Remove anything leaning on the door edge, like a cover or a bag.
- Wipe the seal and see that it lies flat.
- Confirm that the cabinet stands level on its pad.
- If E9 stays up with the door shut, contact us.
What our technician does for E9
- Test the Door 1 switch for a clean closed signal
- Clean grit and moisture from the switch area and check its action
- Inspect the seal fit along the whole door
How to keep E9 from coming back
- Keep covers, bags and other items away from the Door 1 edge so it can close fully.
- Wipe the seal occasionally so dirt does not keep the door from sealing.
- Brush away leaves and grit near the door frame, since outdoor units collect debris around the switch.
Technical reference
- Code
- E9
- Appliance
- U-Line outdoor refrigeration
- Control family
- U-Line Outdoor Collection nugget ice makers
- Maker documentation
- U-Line owner manuals and support
- Checked
- November 2026
Code meanings come from the maker’s documentation and our own repair work; we do not reprint the maker’s document. Confirm the full model number before acting on a code. We are an independent repair company, not affiliated with U-Line Corporation.
Related U-Line outdoor refrigeration error codes
E9 questions
What does E9 mean on an outdoor ice maker?
The unit sees Door 1 as open. Ice making waits for the door to be shut and sensed, and the message then disappears without any help.
Which code covers the second door?
The second door shows as the bare number 10 on these models. Between E9 and 10, you can tell which door needs closing.
Why does E9 stay after I close the door?
The switch or the seal fit is not letting the unit confirm a closed door. We start with the door switch and then check the seal.
Is E9 paired with another code on this ice maker?
Yes, with the number 10. E9 covers Door 1 and 10 covers Door 2. Whichever appears tells you which door the control sees open, so check that one first.
Will the code clear by itself?
Yes, once the control senses Door 1 closed. If you close the door and E9 stays, something is stopping the switch from reporting properly, and it needs a test.
Something else going on with your outdoor refrigeration?
A technician finds the cause at your bar or lanai and puts the price in writing before any part comes out.