Cleaning The Case - Hach 4455100 Instrucciones Para El Usuario

Maintenance
Multiple hazards. Do not disassemble the instrument for maintenance. If the internal components must
be cleaned or repaired, contact the manufacturer.
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.

Cleaning the case

Before starting any maintenance task, disconnect the power supply from the AC power source.
1. Disconnect AC power to the power supply.
2. Clean the outside of the case with a damp cloth and mild detergent.
3. Air dry or pat dry with a clean, soft cloth or tissue.
4. Connect AC power to the power supply.
5. Examine the power supply function to make sure that the equipment is energized.
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