Retsch SM200 - Fault messages; Safety circuit is not closed; Motor block; Faulty relay contact

Fault messages
40
9 Fault messages
Flashing sequence
Meaning
Instruction
G4 and G5 flash
alternately
Safety circuit is not
closed
• Close the door.
• Pull the locking bracket forwards.
• Allow the locking bolt to engage.
G5 flashes
Motor block
• Remove the blocking pieces of sample material
from the grinding chamber.
• Press button G6
• Press button G1.
G4 + G5 flash
simultaneously
Faulty relay contact
• Service necessary!
G4 flashes
Revolving field
detection
• Switch the two phases (L1 with L2) on the power
cable
Fig. 32:Flashing sequence during error message
G1
G4
G5
G6