Yamato Scientific DN410H Constant Temperature Ovens - Manual (Page 78)

28
Maintenance Procedure
Operation Check of Independent Temperature Overheating Prevention Device
z After executing the fixed temperature operation at the set temperature 0 °C, set the operation
temperature of the Independent Temperature Overheating Prevention Device to 0
°C.
z Under normal circumstances, the heater circuit is cut off in a few seconds and the TROUBLE
lamp and flashes at the same time, and the alarm buzzer sounds if the alarm
buzzer function is ON.
z After confirming, turn off the earth leakage breaker once, and then return the setting of the
Independent Temperature Overheating Prevention Device to the proper value. Turn the earth
leakage breaker back ON.
Always perform inspection before a long continuous operation or an unattended
operation.
Long Storage and Disposal
When you do not use the oven for a long period of time.
Disconnect the power cable from the power switchboard.
When you dispose of the oven.
Do not leave it where children can access. Remove the knob and hinges of the door
to disable the door locking system.