Zanussi washing machine won't start E10, E40 & E50 at times

Hi, my wife found the zwf1440W stopped with E10 message. She checked filter - not bad so cleaned & reassembled - still wouldn't work. But on leaving emergency hose open as permanent gravity drain (to bowl), I am told the machine would spin (but it won't now).

We get one click when we start drain (or indeed any) programme - which runs for maybe 30 seconds (with no pumping), then 2 clicks as programme stops.

I have now:
- Checked outflow hose and drain connection - OK
- Checked if drain pump impeller moved when drain programme on (filter unscrewed) - No
- Disonnected power leads from drain pump, and attached to multi-meter - reads 120v when drain programme running (odd, why not 230v?).
- Phoned local parts supplier - agreed pump was likely problem.
- Removed pump (Askoll, label said 230-240v). Didn't check winding resistance, but put mains across it (to check again if it would turn) - bang! - (now open circuit!)
- Fitted new pump - still no pumping.
- Tried manual filling and emergency draining several times, getting various E40 and E50 codes.
- Turned off and went to bed.
- Next day, No E-codes, but still no pumping. Tried manual filling and siphon draining (through proper outflow pipe into bowl). Did this while drain and spin programmes were on, and would get one click when programme started, and 2 clicks when siphoning over, but still no pump action (and the spin cycle did not move on to next phase).

Can anyone suggest what to do next. Would get service man to look at it, but wife says call out charge wasted if machine is scrap (it is probably 5-6 years old) - just put the money towards new machine.