International English 6 Troubleshooting
MICROMASTER 440 Operating instructions
6SE6400-5CA00-0BP0
75
Fault Possible Causes Diagnose & Remedy Reac-
tion
A0923
Both JOG Left and
JOG Right are
requested
Both JOG right and JOG left
(P1055/P1056) have been requested.
This freezes the RFG output frequency at
its current value.
--
A0924
Belt Failure
Detected
Load conditions on motor indicate belt
failure or mechanical fault.
Check the following:
1. No breakage, seizure or obstruction of drive train.
2. Proper operation of external speed sensor, if in
use.
3. P0402 (pulse per min at rated speed), P2164
(Hysteresis freq. deviation) and P2165 (delay
time for permitted deviation) must have correct
values.
4. P2155 (threshold frequency f1), P2157 (threshold
frequency f2)P2159 (threshold frequency
f3)P2174 (upper torque threshold 1)P2175 (lower
torque threshold 1)P2176 (delay T_Torque)P2182
(upper torque threshold 2)P2183 (lower torque
threshold 2)P2184 (upper torque threshold 3) and
P2185 (lower torque threshold 3) must have
correct values.
--
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