Okuma Alarm-C 3847 Invalid limit/proximity switch
The limit/proximity switch status did not change to indicate the completion of an operation within the preset time.
Code
1->The upper door open limit switch did not function within the preset time.
2->The upper door close limit switch did not function within the preset time.
3->The chuck open limit switch did not function within the preset time.
4->The chuck close limit switch did not function within the preset time.
5->The tool number input switch, SQ1 or SQ2, did not function within the preset time after a T1 command was issued.
6->The tool number input switch, SQ1 or SQ4, did not function within the preset time after a T2 command was issued.
7->The tool number input switch, SQ1 or SQ3, did not function within the preset time after a T3 command was issued.
8->The tool number input switch, SQ1 or SQ5, did not function within the preset time after a T4 command was issued.
9->One or more of the tool number input switches, SQ1, SQ2, SQ3 and SQ5, did not function within the preset time after a T5 command was issued.
10->One or more of the tool number input switches, SQ1, SQ3, SQ4 and Q5, did not function within the preset time after a T6 command was issued.
11->One or more of the tool number input switches, SQ1, SQ2, SQ3 and Q4, did not function within the preset time after a T7 command was issued.
12->One or more of the tool number input switches, SQ1, SQ2, SQ4 and Q5, did not function within the preset time after a T8 command was issued.
13->The turret clamp limit switch did not function within the preset time.
14->The turret unclamp limit switch did not function within the preset time.
15->The programable tailstock clamp limit switch did not function within the preset time.
16->The programable tailstock unclamp limit switch did not function within the preset time.
17->The tailstock retract limit switch did not function within the preset time.
18->The tailstock advance limit switch did not function within the preset time.
19->The input signals of R-side roof door open and close confirmation remained ON longer than 2[S].
20->The input signals of L-side roof door open and close confirmation remained ON longer than 2[S].