Service Bulletin Description:
Some UltraFresh front load washers may emit a high-pitched or high-frequency noise. The high-pitched noise may be coming from the inverter board when the washer is plugged in.
This Service Bulletin PDF download contains information for the following:
GFW510SCN4WW GFW510SCN5WW GFW510SCV0WW GFW550SSN4WW GFW550SSN5WW GFW550SPR4RS GFW550SPR5RS GFW655SSV0WW GFW655SPV0DS GFW850SSN4WW GFW850SSN5WW GFW850SPN4RS GFW850SPN5RS PFW870SPV0RS PFW870SSV0WW PFW950SPT2DS PFW950SPT3DS PFW955SPW0DS PFW955SPW0GN
The PDF may also contain information that applies to additional models not listed.