Washer/dryer (six 1200) Hoover WDM 120 C1 ?

hi i have a hoover washer dryer six 1200 wdm 120 01 , it does the cycle great but i carnt seem to dry the washing ive put it on the high heat and nothing then i tryed it on the low heat and still no heat could u please tell me what im doing wrong thankyou.

donna
November 2011