Hanna Instruments HI 83414 - Manual (Page 41)

41
LAMP REPLACEMENT
The instrument tungsten lamp has a life longer than 100,000 measurements. In case of lamp
failure, the defective lamp can be easily replaced. When the lamp is broken, the instrument displays
a lamp error message.
To replace the lamp follow the next steps:
• Power off the instrument and take out the
power cord.
• Remove the fixing screw of the lamp lid.
• Remove the lamp lid.
• Unscrew the lamp leads from connector.
• Unlock the lamp and extract it by pulling it out
from the lamp holder.
• Place the new lamp in the right position and
push it until is securely locked.
• Insert the lamp leads into the connector and
tighten them using a screwdriver.
• Return the lamp lid and secure with the screw.
Warning: After lamp replacement the meter has
to be recalibrated.
FUSE REPLACEMENT
To change the fuse follow next steps:
•Disconnect the power cord from the rear panel of the instrument.
•Pull out the fuse holder located near the power cord connector.
•Replace the fuse with a similar one.
•Push the fuse holder with the fuse in the appropriate place.