Ensure the control unit is pushed into the furnace base until the locking bolts engage with an audible click.
: Regularly calibrate the furnace (using sets like the ATK2) to ensure temperature accuracy during firing. ivoclar programat p90 manual fixed
: If the self-test fails, switch the unit off and on again. Ensure the supply voltage matches the rating plate. Ensure the control unit is pushed into the
: The P90 uses an internal battery to store program memory. If the unit loses saved programs after being powered off, this battery likely needs replacement by a technician. Official Documentation & Support ivoclar programat p90 manual fixed