Service Bulletin Description:
It is possible that under some conditions the service technician may experience the HMI shutting off approximately 5 seconds after entering Service Diagnostic Mode.
This Service Bulletin PDF download contains information for the following:
WFW560CH* WFW5620H* NFW5800H* WFW862CH* WFW8620H* IFW5900H*
The PDF may also contain information that applies to additional models not listed.