Siemens Sinumerik 840C Diagnostics Manual page 216

1 Alarms
1.5.1 Alarm description
300753 Timer n-controller at stop wrong
Scan
Cyclic after control power up
S
Effect
Controllers disabled, motor braked
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
Explanation
–
Remedy
Speed controller timer at stop MD 1605 must always be larger or the same as the pulse suppression cutoff speed
MD 1403.
Note
Applies as from SW 3
300754 Signal number invalid
300854
Scan
Cyclic after control power up
Effect
for MSD:
S
Pulse suppression, motor runs down
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
for FDD:
S
Controllers are disabled, motor is braked
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
Response via MD 1613.0 can be configured as from drive SW 2.
Alarm output can be activated via MD 1012.4 as from V. 5.2 (611D: SW 3).
S
MD 1012.4 = 0: 300754
S
MD 1012.4 = 1: 300854
Explanation
Signal number invalid in the variables signalling function and min-max memory.
Remedy
Enter correct signal number.
Note
Applies as from SW 4
300755 V/f operation: motor running
300855
Scan
Cyclic after control power up
Effect
for MSD:
S
Pulse suppression, motor runs down
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
for FDD:
S
Controllers are disabled, motor is braked
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
Response via MD 1613.0 can be configured as from drive SW 2.
Alarm output can be activated via MD 1012.4 as from V. 5.2 (611D: SW 3).
S
MD 1012.4 = 0: 300755
S
MD 1012.4 = 1: 300855
Explanation
V/f operation: at initialization, the motor turns.
Remedy
Stop the motor.
Note
Applies as from SW 4
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SINUMERIK 840C / SIMODRIVE 611–D (DA)
04/96
07/97
Reset key
Reset key
Reset key