Check that the power supply to the instrument is switched “OFF”.
Ensure that the Muffle Furnace is not in hot condition or in operation while cleaning.
Clean the instrument externally with clean dry cloth.

Ensure that the instrument is connected to the power supply.
Switch “ON” the main power supply, glowing of red light at mains indicates the power supply
Switch on the instrument by ON position which leads to activation of green control bulb and the temperature controller.
Set the temperature required by pressing and holding the red ‘PRESS TO SET button and rotate the adjusting screw to set the required temperature and release the push button.
The digital display shows the actual temperature of furnace and the red light of the temperature controller glows.
When the temperature reaches the setting point, the red light of the temperature controller automatically switched “OFF” and the green light will glow. The equipment is now ready for operation.
If any discrepancy is observed during operation, inform the maintenance department for rectification.

Do not give a shock to the Muffle furnace. Do not connect anything other than the specified equipment to the connector on the rear side of the Muffle furnace.
Never heat any flammable material or combustible materials inside the Muffle furnace.
Use thermal gloves or tongs to remove work piece in the Muffle furnace.

REFERENCES: Instrument Manual

Standard Operating Procedure (SOPs ) of Muffle Furnace

Standard Operating Procedure – Muffle Furnace