Error E4 on Bosch KGU3201GB/01 Home › Forums › Public Support Forums › Help And Support › Fridge And Freezer Forum › Error E4 on Bosch KGU3201GB/01 This topic has 1 reply, 2 voices, and was last updated 20 years, 4 months ago by chrisjmyers. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 6, 2005 at 8:56 pm #13875 chrisjmyersParticipant Hello there.. I have a Bosch frost free fridge freezer & I have a E4 error code on the fridge section. The make & model is Bosch KGU3201GB/01 Does anyone know what this error is & how to fix it? Many thanks in advance. Chris. December 6, 2005 at 10:34 pm #157029 gegsyParticipant Re: Error E4 on Bosch KGU3201GB/01 E4 Freezer evaporator sensor fault. P/no 151202 from spares@ Greg Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In