Why is the temperature too high in my Nespresso Essenza C99 Coffee Maker?
- YYolanda CardenasSep 3, 2025
If the temperature is too high (more than 89°C) in your Nespresso Coffee Maker, change the NTC.

Why is the temperature too high in my Nespresso Essenza C99 Coffee Maker?
If the temperature is too high (more than 89°C) in your Nespresso Coffee Maker, change the NTC.
Why is the temperature too low in my Nespresso Essenza C99?
If the temperature is too low (less than 83°C) in your Nespresso Coffee Maker, descale the machine.
Why is the flow rate out of range in my Nespresso Essenza C99?
If the flow rate is out of range in your Nespresso Coffee Maker, it might be scaled. Descale the machine to resolve this issue.
What to do if my Nespresso Essenza C99 is scaled?
If your Nespresso Coffee Maker is scaled, descale the machine.
What to do if my Nespresso Essenza C99 Coffee Maker has a leakage at tubes connection?
If there's a leakage at the tube connection of your Nespresso Coffee Maker, replace the defective tube and seal.
What to do if my Nespresso Essenza C99 water tank is leaking?
If the water tank of your Nespresso Coffee Maker is leaking, replace the water tank.
What to do if my Nespresso Coffee Maker is not working?
If your Nespresso Coffee Maker is not working, first check if the mains cable is functional and replace it if necessary. Also, check if the pump is working by pressing the coffee button.
What to do if my Nespresso Coffee Maker has a leakage at the extraction system?
If there's a leakage at the extraction system of your Nespresso Coffee Maker, replace the TCBU.
| Brand | Nespresso |
|---|---|
| Model | Essenza C99 |
| Pressure | 19 bar |
| Power | 1200 watts |
| Material | Plastic |
| Color | Black |
| Warranty | 1 year |
| Voltage | 120 V |
Diagnoses issues related to machine not working or button light errors.
Covers issues with leaks, flow rate, and the necessity of descaling.
Detailed instructions for safely taking the coffee machine apart for servicing.
Step-by-step guide for replacing the NTC temperature sensor.
Procedure for removing and replacing the thermoblock assembly.
Instructions on how to replace the machine's water pump.
Guide for replacing the main electronic control board and button prints.
Detailed procedure for replacing the compact brewing unit (TCBU).
Outlines safety precautions and required equipment for performing functional tests.
Initial steps for setting up and performing the coffee machine flow rate measurement.
Continuation of flow rate measurement, including observation and required volume.











