Announcement

Collapse
No announcement yet.

faema e91 diplomat rebuild

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • faema e91 diplomat rebuild

    Hello this is my first post, and I am asking for some help.
    I have a faema e91 diplomat that when switched on shows "boiler overpressure E1" the group heads dispense ok but nothing heats up. I just wondered and hope that someone may be able to assist or guide me in getting past my first hurdle

  • #2
    Re: faema e91 diplomat rebuild

    no answers is there anyone that can help pleeeeaaassse
    someone must have a clue what the error codes mean

    Comment


    • #3
      Re: faema e91 diplomat rebuild

      I dont have a tech Manual, but the first thing Id check is my PSTAT. It may be reading false pressure causing a disconnect in your heating circuit.

      Comment


      • #4
        Re: faema e91 diplomat rebuild

        Error code E1 is related to your NTC sensor in the right side of the boiler, you will most probably need to replace this and depending on the model of e91 may need to calibrate the new NTC via the Main-card. Hope this helps

        Comment


        • #5
          Re: faema e91 diplomat rebuild

          I have also just started a restoration project for a E91 diplomat. I am reconnecting the button panels but theres a connector ( circled in red ) I cant figure out where to plug to. If anyone can shed any light into this the help would be greatly appreciated.

          Comment


          • #6
            Re: faema e91 diplomat rebuild

            That looks to me like the flowmeter cable
            cheers

            Comment


            • #7
              Re: faema e91 diplomat rebuild

              Thanks Coffeeman. I thought that too, but the two flowmeters each have a connector which plugs into the button ciruit boards. Ive checked again and again but it looks like all the connectors on both boards have been identified.

              Comment


              • #8
                Re: faema e91 diplomat rebuild

                might be a spare for if the machine was built as a 3 group??

                Comment


                • #9
                  Re: faema e91 diplomat rebuild

                  Nope - this is a male connector, all the others on the cable loom are female.

                  I appreciate the help a lot - hope I can contribute in some form later on...

                  Comment


                  • #10
                    Re: faema e91 diplomat rebuild

                    looking at online sales specifications, Could it be the "auto milk-frothing-device" controller? as the website suggests its volumetric and "standard on all models"

                    Apart from that, maybe some extension for Faema testing equipment or something similar?

                    Comment


                    • #11
                      Re: faema e91 diplomat rebuild

                      That might explain it - my unit does not come with the optional auto milk frother, so the connector might be unused. Anyway Ill wire it up to 240v and see if any error messages are displayed. So far no luck finding schematics.

                      Comment


                      • #12
                        Re: faema e91 diplomat rebuild

                        Fired her up and the boiler heats up to an indicated 1.2bar and stays there. No error message so it looks like the extra connector is not used.

                        Water flows from both groups. Even though I can activate the dose programming and the programmed dose count ( shown on the LCD ) seems to stick after cycling power, the dosed water seems to not change after programming. Next step is to open up the flowmeters to check ( flowmeters are suspect because the LED on the control board do not flash while water is flowing )

                        The closest matching user manual I have found is the one for the E92/A. E91 manuals are mostly for the non-LCD versions.

                        Comment


                        • #13
                          Re: faema e91 diplomat rebuild

                          Turned out the flowmeter was blocked with scale. After cleaning the flowmeter, the LEDs ( in a row in picture below ) would flash when brew water flows, and the programming worked

                          Comment


                          • #14
                            Re: faema e91 diplomat rebuild

                            Removed all cabling, electronics and the pump, then a quick rinse with a garden hose to prepare for disassembly ( it didnt smell very good.. )

                            Comment


                            • #15
                              Re: faema e91 diplomat rebuild

                              Originally posted by 0F25263E1D3B3C2C490 link=1321014415/2#2 date=1321479832
                              I dont have a tech Manual, but the first thing Id check is my PSTAT. It may be reading false pressure causing a disconnect in your heating circuit.
                              could you clarify this as there does not appear to be any sort of pressure reading device at all on the system.

                              Comment

                              Working...
                              X