9
Precautions for Safe Use
E5@C Digital Temperature Controllers User’s Manual (H174)
• Observe the following precautions when you remove the terminal block or pull out (draw out) the
interior of the product of the E5GC.
• Always follow the instructions provided in this manual.
• Turn OFF the power supply before you start and never touch nor apply shock to the terminals or
electric components.
When you insert the interior body of the Digital Controller, do not allow the electronic components
to touch the case.
• Check for any corrosion on the terminals.
• When you insert the interior body into the rear case, confirm that the hooks on the top and bottom
are securely engaged with the case.
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