The nameplate for this machine is:
Model WWH860, Material #10666200, Type HW21, Serial 11/14916xxxx
Firmware data from the service menu:
EPW 5004
LNG 12036
ELFU 4198
EZL 3966
EZU 3864
VarGT 100206982
VarBL 100197930
VarANW 100198007
VarSP 100245132
VT GT 100213391
EK 5243
This does appear to...