13
AB-6601
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 maintenance, be sure to turn off the power to the product. Failure to do so might
cause electric shock.
Before detaching the terminal cover, be sure to turn off the power to the product and all the connected
devices.
After wiring, be sure to 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 electric shock or 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 from the temperature sensing element using a soft clean cloth or toothbrush so that the
element can be effectively exposed to the air.
(2) Check that the sensing element 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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