Investigation begins

After the incident yesterday our Rancilio Silvia need some service.
Before starting: make sure that the machine is plugged out of the socket to avoid electrocution. 

First step

Remove the top plate

Second step

Measure heater resistans. Result 48Ω’s this would give a resulting power of 1,1kW (P=U² / R). Sound resonable.

Third step

Check the automatic overheat protection located on the side of the boiler. This one was tripped in our machine. This was good news.

However testing the machine tripped the residual-current circuit breaker. Must be some damage to the heater after all.

Step four

Measuring the resistens to ground.

This is possibly caused by crack in the heater element. 🙁

Conclusion

A new boiler and o-ring is needed.

 

 

For some reasons or espresso machine which is running on a timer had all switches turned on and started this morning by pumping all its water on the bench. The secondary issues caused by this event was overheating of the boiler :’-(