Errors During Drive Self-Test - Siemens SINUMERIK 808D Commissioning Manual

Alarm Background
code
A44 This alarm may
occur when the
24 V DC supply
is connected
This alarm may
occur when the
DC link is con-
nected
A45
Note
Alarms with alarm code < A21 can be cancelled by power-on, while alarms with alarm code
≥ A21 can be cancelled by RST terminal.
A.6.2.3

Errors during drive self-test

The drive module always conducts a self-test at every power-on. If any error occurs during
this period, the drive screen form will show one of the following error codes:
Drive display
Commissioning Manual
Commissioning Manual, 01/2015, 6FC5397-4EP10-0BA0
Possible Cause
Command pulse frequency
is too high
The circuit board fails
The rated torque is ex-
ceeded
The brake is not open
The motor is not stable
The encoder is wrongly
wired
The 65 enable signal is lost
when the motor is running
Description
Error 1
Error 2
Error 3
Remedy
1. Lower the frequency
2. Check whether P36
has the right value
Replace the drive with a
new one
1. check the load
2. lower the start/stop
frequency
3. use drive and motor
with more power
Check whether the brake
is open or not
1. modify the gain value
2. lessen load inertia
Check the wiring
Check the 65 enable
terminal
Cause
RAM damaged
Flash damaged
Program copy error
A.6 Diagnostics
Result Acknowledgement
Emergency Press Enter key on
stop (the motor the operator panel
will stop with or terminal RST of
the maximum X6 interface
energy or
torque)
Emergency Press Enter key on
stop (the motor the operator panel
will stop with or terminal RST of
the maximum X6 interface
energy or
torque)
Remedy
Replace the drive
Replace the drive
Replace the drive
Appendix
103