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D877 MGB Rev01 HE250.docx
37
(EA) WiFi error
WiFi module is not installed or defective
38
(Er) Stepper driver undervoltage
Check voltage supply board
39
(Er) Stepper driver overcurrent
Check voltage supply board
40
(Er) MPP starting anomaly
MPP or ERS valve or 12 zero sensor problem
41
Not used
/
42
(Er) Stepper step loss
MPP driver signaling valve ERS electro \
mechanical problem
43
(Er) Stepper temperature warning
MPP driver temperature attention level
44
(Er) Stepper overtemperature
MPP driver thermal protection for valve ERS problem
45
Not used
/
46
Not used
/
47
(Er*) CAN error in Multi-valve system
(Er*) CAN error with the framework system
48
Not used
/
49
(Er) CAN error with the lift system
(Er) CAN error with the framework system
50
(Er) Checksum error
Try to reload the software
51
(Er) Hardware error
Upload appropriate software
52
Not used
/
53
(EA) Flow error during upward stopping
Delay the closing of the MPP with 409 and 410
parameters
54
Not used
/
