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6. Maintenance
6.1. Cleaning
WARNING: Electric Shock Hazard. Disconnect the equipment from
the power supply before cleaning. Make sure that no liquid enters
the interior of the instrument.
Attention: Do not use solvents, harsh chemicals, ammonia or
abrasive cleaning agents.
The housing may be cleaned with a cloth dampened with a mild
detergent if necessary.
6.2. Replacing Power Line Fuse
If the instrument display fails to light after switching it on, check the power outlet
first. If power is available, and the instrument fails to operate, the power fuse may
be open (blown).
WARNING: Electric Shock Hazard. Disconnect the equipment
from the power supply before replacing the fuse.
Steps to Replace Power Fuse Line
1. Use a screwdriver to take out the fuse
holder.
2. Check the condition of the fuse. Replace
blown fuse by those of the same type
with the same rated value (6.3A 250VAC
for 100-120VAC power supply or 2.5A
250VAC for 200-240VAC power supply
according to the heating element).
Attention: If the fuse is good and power is available at the outlet,
the cord or instrument may be defective. Try a new cord. If this
does not work, the instrument should be sent back for servicing.
The use of a fuse of a different type or with a different value, or
bridging or shunting the fuse is not allowed and can possibly
cause a hazard to your safety and lead to instrument damage!
MB92 Quick Start Guide
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