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Once again thankyou for you suggestions. The wall socket and plug is making good contact and the plug does not get hot. The door interlock switch suggestion sounds interesting. I have an insulation tester on order and I will let you know of further developments in a few days.
The fault has now been located and fixed!! The problem was the heater – this was confirmed with an insulation tester. Removal of the element showed that the casing had corroded and split. I am amazed that it still heated the water without immediately blowing the fuse every wash cycle.
Tip: Despite quotes ranging from £40 to £80 for a Blomberg replacement element my local repair shop sourced a Hotpoint element which is virtually a direct replacement. It is normally used on Hotpoint Models 17804, 9776, WD21, WM25 or WM 19 – Element Type HTR61 and is a later type with an integral thermistor fitting. Although slightly shorter it fits properly under the goal post on the inside of the drum and the sealing flange is identical to the Blomberg unit. The thermistor was swapped for the original Blomberg item because the Hotpoint connector was a different style, but the Hotpoint thermistor could have been used in conjunction with suitable push on connectors if required. The price was just £19.99 retail. 😀
Re: Blomberg 1301 Washer intermittently blows main fuse
Bob Knights wrote:the heater shows no sign of element failure with 0.5 M ohms to ground and 25 ohms across the element.
Bob,
May I on the behalf of all the guys that replied make an apology to you 😳
We boobed, sorry 😥 Having read your original posting we should have spotted the fault there and then. Indeed “0.5 Megohms” is well out of order. Even 5 megohms would not be good (although it would pass an electrical safety inspection) HOW CAN WE HAVE NOT SPOTTED THE DECIMAL POINT POSITION IN YOUR STATEMENT…????
A thousand apologies my friend and we are pleased at least you have got it sorted at last 😀Martin
Re: Blomberg 1301 Washer intermittently blows main fuse
Penguin45 wrote: surely this has to be a heater fault
dave_conway wrote:I would have said so, yes.
😉
Re: Blomberg 1301 Washer intermittently blows main fuse
Dave_Conway wrote:
Penguin45 wrote:
surely this has to be a heater fault“dave_conway”:2j4t4fik wrote:I would have said so, yes.
😉
Pat on the back guys, well spotted!Martin
Re: Blomberg 1301 Washer intermittently blows main fuse
I thought this model had a hoop type element, nothing like the hotpoint version, no? You really sure that is held tightly down? some of the later, faster spinning versions of this machine sufferred loose heater problems which are not very nice at 1300rpm believe me. Oh and check the air bell or you may be needing another one.
Nah, it’s a two finger Bleckman. Quite right to change thermistor though, they can be very model specific. The Hotpoint one does interchange with the Bauknecht one though.
Sometimes, between us, we’re just so talented……
Penguin.
Re: Blomberg 1301 Washer intermittently blows main fuse
I had the same problem before. Engineer spotted it immediately as he’d seen it before. The wiring inside had become slightly frayed during the installation, and in operation this would cause the unit to intermittantly trip the switch. Bit of electrical tape and it was fine!
Re: Blomberg 1301 Washer intermittently blows main fuse
Electrical tape is not for the repair of cable insulation. It has many uses and this is not one of them.
The frayed cables suggest frayed insulation and that requires immediate action to restore the electrical safety of your appliance. Please take that action if you have used electrical tape to cover exposed wires within the wiring loom
kevin
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