A weak or missing vacuum will ruin your ceramic restorations. It causes cloudiness and poor structural integrity. If your Programat P90 displays vacuum error codes, follow this diagnostic sequence: Inspect the Hood and O-Ring Seals

: The control unit (S) must be pushed into the furnace base until the locking bolts engage with an audible click. The furnace head must be level so the sealing ring rests evenly on the base rim.

: Verify that the local laboratory wall voltage matches the rating plate on the device. Plug the main power lead ( 64 ) into a grounded wall outlet. Essential Keypad Controls & Indicators

Apply a single drop of high-temperature synthetic lubricant to the guide rails. , as it attracts dust and gums up the mechanism.

If the head fails to open, close, or stop properly, it may cause damage to the heating element or the work in progress.

: Place the unit on a fire-proof surface, keep rear air vents clear, and use only the dedicated cooling plate for hot objects. : Use a dry or slightly moist cloth; never use solvents. Laitetori.com For full technical details, you can find the complete Programat P90 Operating Instructions Manual ManualsLib or similar archives on or instructions for a particular ceramic material Ivoclar Programat p90 Operating Instructions | PDF - Scribd