17
AB-6600
Maintenance
WARNING
If this product is connected to a system, be sure to implement safety measures.
Failure to do might cause re.
Be sure to ground the product with ground resistance of less than 100 Ω. Improper grounding might
cause electric shock or malfunction.
Before wiring or servicing, be sure to turn off the power to this product.
Failure to do might cause electric shock or device failure.
Before attaching or detaching the terminal cover for wiring, be sure to turn off the power to the
product and all the connected devices. After the wiring work, attach the terminal cover at the original
position.
Failure to do so might cause electric shock.
CAUTION
Do not disassemble the product.
Doing so might cause device failure.
Determine the appropriate cycle of maintenance and inspection, taking into consideration the environmental
conditions, frequency of use, etc.
If use is only occasional, inspection before every use is recommended.
Maintain and inspect the product following the procedures below.
(1) Wipe dirt and dust on the temperature sensor and capillary tube using a soft clean cloth or toothbrush so
that the element can be effectively exposed to the air.
(2) Check that the temperature sensor is not deformed, attened, or damaged.
(3) In the same way as (1), wipe the setting knob and the terminal posts of the microswitch and the nearby
parts.
(4) Check that the terminal screws are rmly tightened.
(5) Check that the wires are well insulated.
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