Chapter 10:
Troubleshooting
OsmoPRO MAX Automated Osmometer User Guide
75
10.3 Fuse Replacement
Tools required:
•
Small flat screwdriver
•
Pliers
•
Static Grounding Wrist Strap
WARNING:
Hazardous Voltage
NOTICE:
Improper connections may cause
damage to the instrument.
NOTICE:
A discharge of static electricity
from contact with the human body or
other conductor may damage system
boards or static sensitive devices. NEVER
UNPACK, TOUCH OR HANDLE ANY PCB
WITHOUT WEARING A GROUNDING
(EARTHING) STRAP TO MINIMIZE YOUR
STATIC DISCHARGE.
Removing the Fuses
1.
Power off your instrument.
2.
Unplug the instrument and remove the power cord
from the instrument.
3.
Locate the fuse holder
[A]
on the rear of the
instrument.
A
4.
Use a small flat screwdriver
[B]
to open the fuse box
on the rear.
B
5.
Use the screwdriver and pliers (if needed) to remove
the fuse holder and the two fuses.
Replacing the Fuses
1.
Insert two replacement fuses into the fuse holder.
–
Use Fuse Replacement Kit p/n 70022R (contains
two 2.0 A metric fuses).
–
Double-check the values marked on the new fuses
before installing.
–
The instrument automatically adjusts for voltages
between 100 VAC and 240 VAC, but
appropriately-rated fuses must be installed.
2.
Reinstall the fuse holder into the back of the
instrument.
3.
Close the fuse holder door.
4.
Reconnect the power cord to your instrument and
plug it into an outlet.
