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6. Maintenance procedures
Daily inspection/maintenance
Be sure to perform daily inspection and maintenance to assure reliable operation of the unit.
Warning
● Be sure to pull out the power cord unless necessary before trying to do inspection and
maintenance works.
● Start these works after the device has returned to the normal temperature.
● Never try to disassemble the unit.
Caution
● Wipe off any dirt with a tightly wrung soft cloth. Never try to clean the unit with benzene,
thinner or scouring powder, or rub with a scrubbing brush. Deformation, degradation or
discoloration may result.
Every month
Inspect the functions of the ELB.
Test shall be performed with the power cord connected and
power is being supplied to the unit.
・First turn the ELB to “off.”
・Then, turn the ELB “on” and press the test button on the
device with a ball-point pen to check whether it is turned
off to indicate that it is in the normal state.
Test button
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