Introduction
This guide illustrates the steps required to replace the fuse in a SOMNObalance and SOMNOcomfort ventilator. The page numbers included stem from the service repair guide (linked on the device page). Only use fuses mentioned in the Replacement parts list in the servicing repair guide (pg. 35, WM 13422).
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Remove the covering cap. (pg. 23)
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Remove the defective fuse(76 or 77) and replace with a new one. (pg. 27)
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Ensure the correct amperage is used. Use fuses mentioned in the Replacement parts list only. Using other fuses may cause damage to the main circuit board.
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76 refers to the fuse in SOMNObalance. 77 refers to the fuse in SOMNOcomfort.
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Check that everything is working properly after having successfully replaced the fuse.
Check that everything is working properly after having successfully replaced the fuse.