What to do if the pump's thermal fuse is defective on my Nespresso Essenza C99?
- Aamy09Sep 10, 2025
If the pump's thermal fuse (128°C) is defective in your Nespresso Coffee Maker, replace the pump.

What to do if the pump's thermal fuse is defective on my Nespresso Essenza C99?
If the pump's thermal fuse (128°C) is defective in your Nespresso Coffee Maker, replace the pump.
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.
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 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 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 is scaled?
If your Nespresso Coffee Maker is scaled, descale the machine.
What to do if the capsule is not correctly ejected from my Nespresso Coffee Maker?
If the capsule is not correctly ejected from your Nespresso Coffee Maker, replace the TCBU.
What to do if the electrical wires are not functional on my Nespresso Essenza C99?
If the electrical wires of your Nespresso Coffee Maker are not functional, replace the electrical mainboard and the NTC.
What to do if the mains cable is damaged on my Nespresso Essenza C99 Coffee Maker?
If the mains cable of your Nespresso Coffee Maker is damaged, replace the mains cable.
What to do if the backlighted coffee button blinks at irregular intervals on my Nespresso Essenza C99 Coffee Maker?
If the backlighted coffee button blinks at irregular intervals on your Nespresso Coffee Maker, check if the thermoblock heating element is functional and replace the NTC.
| 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.











