MCLR is low processor in Automatic Temperature Control System Tweet › Forums › MPLAB XC8 Project Discussions › MCLR is low processor in Automatic Temperature Control System Tagged: Automatic Temperature Control This topic contains 2 replies, has 2 voices, and was last updated by Bitahwa Bindu 1 year, 2 months ago. Log In Register Lost Password Author Posts 19/07/2017 at 08:57 #2465 keshenaParticipant Sir when I simulate this project, it shows the error “MCLR is low processor is in reset state” What does that mean and how can I resolve it? 19/07/2017 at 09:42 #2471 Bitahwa BinduKeymaster It;s probably you did not connect the MCLR pin to positive supply voltage (+5v) as demonstrated on the circuit diagram on figure 2. 19/07/2017 at 12:38 #2474 Bitahwa BinduKeymaster It’s likely that you did not connect your MCLR pin to supply positive voltage (+5V). Author Posts Log In Register Lost Password You must be logged in to reply to this topic.