indesit wixl123 washer lights flashing

hi. i have an indesit wixl123 washer which keeps stopping during a wash cycle and gives lights 2, 4 and lock flashing. is there anything i can do about it or do i need to get an engineer in. hope someone can help.

Indesit WIDL Codes

See also Hotpoint WF & some WD, left hand lights from top to bottom or digital display.(next page)

widl codes - light flashing from left to right are numbers 1-4

f01 light 4, motor triac
f02 light 3 motor, jammed/ tacho
f03 lights 3&4 Ntc fault
f04 light 2. pressure sw stuck on empty
f05 lights 2&4, pressure sw stuck on full
f06 lights 2&3, N/A?
f07 lights 2&3&4 heater relay
f08 light 1. heater relay
f09 lights 1&4 eprom/setup error
f10 lights 1&3, pressure switch not sensing
f11 lights 1&3&4, pump/draining error
f12 lights 1&2, communication error
f13 lights 1&2&4, dryer ntc/ fan motor
f14 lights 1&2&3, dryer heater
f15 lights 1&2&3&4, dryer heater relay
f16 N/A
f17 light 4, door lock
f18 light 3 comms error (3 phase motor) power board

f1 and f17 share the same light

filter /pump blocked found at the front under kickstrip.