32
Handling Precautions
WARNING!
If a problem occurs
If smoke or strange odor should come out of this unit for some reason, turn off the power key
right away, and then turn off the circuit breaker and the main power. Immediately contact a
service technician for inspection. If this procedure is not followed, fire or electrical shock may
result. Never perform repair work yourself, since it is dangerous and not recommended.
Substances that cannot be used
Never use explosive substances, flammable substances and substances that include explosive
or flammable ingredients in this unit. Explosion or fire may occur. (Refer to page45 "List of
Dangerous Substances".)
CAUTION!
Do not step on this unit
Do not step on this unit. It will cause injury if this unit fall down or break.
Do not put anything on this unit
Do not put anything on this unit. It will cause injury if fall.
During a thunder storm
During a thunderstorm, turn off
the power key immediately, then turn off the circuit breaker and
the main power. If this procedure is not followed, fire or electrical shock may be caused.
When open/close door…
Do not get close to the traveling range of door when opening or closing it. It may hit your hands
or head and result in an injury.
Keep door close during operation.
•
The heater is heated abnormally if the door is left opened during operation. Make sure to
operate the unit with the door closed.
•
Do not leave the door open after operation in order to cool down the samples quickly. The
heat in furnace may cause deformation of control panel or breakdown of control devices.
Do not use corrosive sample
Stainless steel SUS304 is used for interior; however, it may be corroded by strong acid etc. And
the door packing made of silicon rubber may be corroded by some kind of solvent, e.g. alkaline,
oil, halogen etc. Do not use the sample includes those.
Use under proper temperature range
Operational temperature range of DKN302/402/602/612 is 10 to 260
℃
.
Operational temperature range of DKN812/912 is 10 to 210
℃
.
Never set the temperature out of that.
