Yamato Scientific BH300 Thermo-Elite - Manual (Page 30)

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Maintenance method
Check and maintenance usually
Warning
„ Please pull out the power supply plug from the outlet if it is necessary when checking and maintaining.
„ Please execute after the equipment returns to normal temperature.
„ Please never decompose the equipment.
Caution
„ Please wipe the part of the resin and the dirt of the operation panel with the soft cloth often squeezed.
Wiping with benzine, thinner or kurenzah etc., rubbing with the scrubbing brush will cause the
transformation, changing in quality, and discoloration.
„ Please check the function of leak Breaker according to an undermentioned procedure.
•
Please connect the power supply code and put into the energized state.
•
Please turn on the switch of leak Breaker.
•
Push the red test button of earth leakage circuit-breaker with the point such as pens. If the switch is
turned off, the function is normal.
„ Please clean the fin of the condenser according to an undermentioned procedure. (BH200/300)
•
Please remove the grill in front of the main body of the device.
•
Please remove the dust which is about the surface of the condenser fin with the cleaner etc. (Be careful
please not to crush the fin)
„ Please check the movement of an independent temperature overheating prevention device according
to an undermentioned procedure. (BH500 and only equip with an independent temperature
overheating prevention device)
•
Please execute the fixed value drive at a suitable set temperature.
•
Afterwards, please set the operating temperature of an independent temperature overheating
prevention device in a value which is 5℃ lower than the driven temperature.
•
The heater circuit is intercepted several seconds later when the operation is normal and an TROUBLE
sign and ER07 blink at the same time. The warning buzzer rings when the warning buzzer function is
set in turning on.
Attention : Please check these every month. Moreover, execute the check on leak Breaker and an independent
temperature overheating prevention device before an uninhabited drive at long period continuous
running and nighttime.
When not used for a long term or abandoned
Caution Warning
„ Please turn off the power supply and pull out
the power supply plug.
„ Please pull out the liquid in the examination
tank.
„ Dust must not enter when you use the silicon oil.
„ Please do the lid to the examination tank or
transfer the liquid to a fixed container.
„ Please do not leave this machine in the place
where the child plays when you abandon.