Troubleshooting, Maintenance, and Inspection
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IM 701310-01E
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Index
18.7  Recommended Replacement Parts
Yokogawa guarantees the DL9000 for the period and under the conditions of the product 
warranty.
Under the conditions of the guarantee, the following components are excluded from the 
three-year warranty. For replacements, refer to your supplier.
Part name Lifetime
Built-in printer   Under normal conditions of use, equivalent of 360 rolls of printer paper (part 
number: B9988AE)
LCD backlight Under normal conditions of use, approx. 25,000 hours
Part name Guarantee period
Built-in hard disk  One year from date of purchase (warranty does not cover loss of data).
The following parts are consumables. We recommend replacing them at the following 
intervals. For replacement parts, refer to your supplier.
Part name Recommended replacement interval
Cooling fan 3 years
Backup battery (lithium battery) 5 years