Maintenance & Troubleshooting
How do I maintain my Cumulus Machine?
After approximately 150 brews, your machine will signal the need for maintenance by displaying an orange alert light, indicating it’s time for cleaning. The cleaning process takes around 15 minutes and consists of four steps: a Purge Cycle to remove
What is a Purge Cycle and how do I start it?
The Purge Cycle is the first step in cleaning your machine, clearing out old water to prepare for a fresh brew.To start the Purge Cycle, remove the water tank and filter, then empty the drip tray and place a container under the spout. Insert the blan
What is a Cleaning Cycle and how do I start it?
The Cleaning Cycle uses Cumulus cleaning solution to remove internal build-up, keeping your machine in optimal condition. We also recommend replacing your water filter whenever running a scheduled cleaning cycle. To run a Cleaning Cycle, follow these
How do I change the water filter?
The water filter helps ensure the best water quality for brewing, which keeps your machine running smoothly and your coffee tasting great. To change the filter, simply remove the water tank, take out the old filter, and insert a new Cumulus filter ca
Troubleshooting: Low Beverage Volume or Flat Nitro Pour
If your machine is not producing a full cup or the nitro pour appears flat (with little to no foam), the issue is typically caused by a blockage in the nozzle. Recommended troubleshooting steps:. 1. Run a Full Cleaning Cycle. Start by running a full
Troubleshooting: Capsule Holder Will Not Open
If your capsule holder will not open, the issue is typically caused by either:. A brew cycle being interrupted (e.g., due to power loss), or. The machine being in Cleaning Mode. The behavior of the lights on your machine can help to determine the cau
Troubleshooting: Machine Continues Dispensing Water After Brewing
If your machine continues dispensing water after a brew, it has likely entered either a Purge Cycle or Cleaning Cycle. This typically occurs when the brew button is held down too long, rather than tapped:. Holding Brew Button on Still setting → Trigg
Troubleshooting: Green Light Around Brew Button
If the light around the brew button is pulsing green, this indicates that the capsule holder is stuck in the closed position. The machine is note able to brew while this is occurring. Recommended Troubleshooting Steps:. Unplug the machine from the po
Troubleshooting: Orange Light Around Brew Button
If the light around the brew button is pulsing orange, this indicates that the machine has not reached the required brewing temperature within the expected time, usually due to improper spacing around the machine and its cooling vents. To troubleshoo
Troubleshooting: Yellow Alert Light
If the alert light on your machine is yellow, this indicates that routine maintenance is required. A yellow alert light signals that the machine is due for a scheduled cleaning cycle and that the water filter should be replaced. To clear the yellow a
Troubleshooting: Coffee Has Sour Taste
If your coffee has a sour or off taste, it is typically related to residual cleaning solution remaining in the machine. After running a cleaning cycle, small amounts of cleaning solution may remain in the system. While completely safe, this can affec