8 Operation
81BA6820378-03 EN
If the fuse fails, it can easily be replaced (Fuse [►Section 9.3,
Page 88]).
If it happens again, please consult "MR Service &
Complaint" [►Section 9, Page 83]. A device version is avail-
able that eliminates the occurrence of overvoltages. Overvolt-
age protection can also be retrofitted by replacing a circuit
board.
8.1 MTRAB with gamma controller (DB200G only)
Make sure that the switch above the ball valve is in the
"AUTO" position.
The display on the front of the ball valve indicates which of
the two cylinders is separated from the air flow. This display
has absolutely no operational function.
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