Yamato Scientific WS220 Water Purifiers - Manual (Page 27)

23
After Service and Warranty
In Case of Request for Repair
If the failure occurs, stop the operation, turn OFF the power switch, and unplug the power plug.
Please contact the sales agency that this unit was purchased, or the Yamato Scientific's sales
office.
< Check following items before contact >
◆ Model Name of Product
◆ Production Number
◆ Purchase Date
◆ About Trouble (in detail as possible)
Minimum Retention Period of Performance Parts for Repair
The minimum retention period of performance parts for repair of this unit is 7 years after
discontinuance of this unit.
The "performance part for repair" is the part that is required to maintain this unit.
See the production plate attached to this unit.