Hi recently had prob with baxi 105e no h/w or c/h told to change pcb. I did this and it rectified the h/w problem but c/h now comes on but only lights the firsy 2 neons then clicks off have changed the thermister but to no avil any ideas anyone please
Correct Andsam.When replacing the p.c.b one should turn both c.h and d.h.w temperature control knobs to zero in order for correct callibration to be acheived when fitting the new p.c.b.If it has been fitted incorectly there is usually some resistance on the control knob/knobs around the midway point
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