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11. When a trouble occurs
When a trouble is suspected
In these cases
Symptoms
Items to check
Indicators on the operation
panel do not light even if the
power switch is turned on.
●
If the power cord is connected to the outlet securely.
●
If power failure has occurred.
●
Turning the power switch [ON] and [OFF] quickly may prevent
the indicators from lighting. Wait 2 to 3 seconds before turning
[ON].
Temperature fluctuates during
operation.
●
If changes in the environmental temperature too large.
●
If the water level in the testing bath is low.
●
If the amount of specimen is too much.
●
If the viscosity of the silicone oil is too high (BF600 only).
Performance of the pump and
proper stirring have
decreased.
●
If inside the pump is clogged with a foreign object.
●
If the source voltage is low.
●
If the jet strength setting is low. (BF400/500)
If power failure occurred
When a power failure occurred during operation and recovered, the unit will automatically recover to
the state immediately before the power failure and resume operation.
If you want to avoid restart by auto recovery, turn the power switch off.
◆
If the symptom does not correspond to any of the above, immediately turn the ELB of the main
unit off, remove the power cable from the power supply and
contact your dealer, one of our sales
offices, or the service department.