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Replace a fuse when it is blown. Refer to
Figure 12 Replace a fuse
7.5 Clean the analyzer electrodes
Regularly clean or replace the analyzer electrodes. Replace the electrodes that show low
performance. Refer to the Hach 8315 Polymetron sensor documentation for instructions.
7.6 Replace the heater
Electrocution hazard. Remove power from the instrument before doing maintenance or service
activities.
Burn hazard. Turn off power and allow the instrument to cool before this procedure.
To replace the heater, refer to
22 English
Figure
12.
D A N G E R
C A U T I O N
Figure 13
and the steps that follow:
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