Understanding Franke E551: Grinder Left Pulse Error, some potential causes and why you need an approved Franke Service Partner to troubleshoot and repair.
Understanding the E551: Grinder Left Pulse Error
The Franke E551 error code specifically indicates an issue with the machines left hand grinder. This error can be caused by several underlying problems that need to be addressed by a qualified Franke technician. Attempting to fix this issue on your own can lead to further damage and void any warranties you may be entitled to.
Potential Causes of the E551 Error
A Blocked Grinder:
While most roasters have machinery and processes to remove foreign objects during the roasting process, sometimes objects such as a hard bean husk, wood or even a stone can sneak their way into your bag of beans. Hard objects like these can block the grinder and prevent it from spinning.
A Faulty Sensor:
The grinder relies on sensors to monitor its operation. A faulty sensor can send incorrect signals, causing the machine to display the E551 error. Identifying and replacing a faulty sensor requires specialized knowledge and tools.
An Issue with one of the Process Boards:
The process boards control the various functions of the coffee machine, including the grinder. An issue with one of these boards can disrupt the grinder's operation and trigger the E551 error. Diagnosing and fixing problems with process boards is a complex task best left to professionals.