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47DAC OPERATING MANUAL EM-9518-B Rev.4
34. INSPECTION / CLEANING
To use the unit in the normal and best conditions, inspect and clean the unit routinely or periodically.
• When the display and the buttons have dirt, wipe them with wet soft cloth. Do not use organic solvent such like benzine,
thinner and alcohol. Doing so may result in deformation or discoloration of the unit.
• Make sure that abnormality such like smokes, unusual smell or abnormal noises is not found. Using the unit continu-
ously with such abnormality may result in a fire or electric shock.
• Check the terminal screws periodically. In checking the screws, for safety, interrupt electricity to the power, input and
alarm output.
• Check the terminal block screws periodically. In checking the screws, for safety, interrupt electricity to the power, input
and alarm output.
• Make sure periodically that the mounting brackets are fixed tightly. Loosened brackets may cause drop of the unit.
