![](/images/new-backgrounds/1055817/55817107x1.webp)
troubleshooting
7.My system continues to operate when the thermostat is in the off position.
7 a. Replace unit.
....................................................................................
8.The LCD screen permanently reads HI, LO, or ERR.
8 a. Replace unit.
....................................................................................
9.How do I just operate my thermostat manually?
9 a. Manual operation instructions are on pages
54