Question about Saeco Royal Professional Espresso Machine

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I have a Saeco Royal Professional bought in 2001. It has been an awesome machine. I changed the boiler in 2005 and replaced the O-rings in 2009. It has been decalcified fairly regularly. Last month, I got a brew group blocked error. After reading online about all the possible problems, I decided to send it to an Authorized Saeco Repair facility. They were nice people who were not very good technicians. They said it was just a brew group micro switch. So the cleaning and servicing of my machine cost $250. After one day the problem came back. The Authorized Saeco Repair facility decided it was now the brew group gearbox. They said it would be another $300 because they did not repair the gearbox, only replaced them. By the way, the micro switch the Authorized Saeco Repair facility sent back with my machine checked out perfectly. So, I opened the gearbox and found broken teeth on both gears. I marked the gear locations and replaced them. The machine was up and running again. About 4 lattes later, the problem was back. I checked the gears and they were fine. I called the Authorized Saeco Repair facility for advice. The owner suggested the gearbox motor might be worn out. I replaced the motor but I it did not help. I removed the brew group and tripped the micro switch to verify that it was not the brew group binding. So any ideas?

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Hi
Sorry to tell you but Brew Unit Block is usually the CPU or the main board going bad. It is usually caused by a constant drag on the brew unit causing more power going to the drive motor causing the CPU and the main board to heat up weaking the CPU or main board to the failure point. To much coffee going into the brw unit and causing the brew drive motor to work harder to compress the coffee will also do the same. You will have to replace the CPU or the main board. It is usually the CPU.

Posted on Mar 31, 2011

  • bansheracer Mar 31, 2011

    Also if the brew unit is in need of lubrication, will cause this.

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