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Appendix B Preventive Maintenance
B.3
Cleaning
Warnings.
• Disconnect the power supply before cleaning the unit.
• Never allow water to get inside the case.
• Do not saturate the unit.
• Do not use any type of abrasive pad, scouring powder or solvent, e.g. alcohol or
benzene.
The fascia may be cleaned with a soft cloth, lightly dampened with water or a mild
detergent.