Yamato Scientific BBL300 Low Constant Temperature Water Bath - Manual (Page 48)

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Handling Precautions
Recovery from a power failure
If the unit was deactivated in the middle of operation due to a power failure and is re-energized,
the unit automatically returns to the state just before the power failure and resumes operation. If
the resumption of operation by automatic recovery is inconvenient, turn off the leakage breaker.
Abnormal refrigerator pressure
If the refrigerator operates in a high-temperature range, the refrigerator overload relay protecting
circuit may work to illuminate Refrigerator error lamp deactivate the refrigerator.
In this case, reduce thermal load by changing the fluid, or taking other appropriate measures.
Abnormal fluid level
Turn off the earth leakage breaker once and check the water amount of the circulating fluid.
After checking, supply the circulation fluid or freezer coolant water.
Do not open the drain cock in the middle of operation
Do not open the drain cock in the middle of operation or operate the unit with the cock open. The
pump may malfunction.
Do not operate the unit without a fluid
Do not operate the unit without a fluid. Operating the unit with the heater or cooling coil exposed,
the unit may malfunction.
Do not perform what is not described in the Instruction Manual
Do not perform what is not described in the Instruction Manual. An unexpected accident may
occur.