how to check a coffee machine's water tank and cleaning routine
if a coffee machine has poor or no flow, pause the drink and record any warning before checking the tank's visible water level and seating. this guide covers those initial checks and choosing the correct cleaning routine, not a universal priming, descaling or internal repair method.
- repair type
- owner care
- difficulty
- easy
- hands-on time
- ~ 5 min
when to get help
- stop for leakage into the body, a burning smell, excessive heat or continued lack of flow. contact the manufacturer or a service technician for internal water, heating, pressure-system or mains repairs.
steps
- pause the drink
use the normal controls. note any warning and whether flow changed after filling or cleaning.
- check the tank if fitted
check the visible water level and tank position. switch off before removing a tank, and only remove, refill or refit it as the manual allows. do not open a hot or pressurised cap.
- follow the specified cleaning routine
use the machine's cleaning or prompted descaling instructions and specified products. do not push tools into the outlet, improvise a priming or brew-group removal method, or keep running the pump without water.
diy warning
working on appliances can involve mains electricity, water and moving parts. always disconnect power and water before you start. in Australia, gas work must be done by a licensed gasfitter, and fixed (hard-wired) electrical work by a licensed electrician. everything on this site is guidance only, and any repair you carry out is at your own risk. we are not responsible for any damage or injury caused by attempting a repair. if you are not confident, please use a qualified technician.
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