Linde T20 AP, Service Training

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Section 6
Page 57
Service Training
284 Brake coil current whereas no voltage applied
(voltage < 3V, coil current > 0,8A)
291 Castor wheel right transistor remains OFF whereas it is commanded to switch ON
292 Castor wheel right transistor remains ON whereas it is commanded to switch OFF311 Driver: Error
Phase U transistor side low
302 Current - sensor problem, phase U (offset - correction exceeds upper limit)
303 Current - sensor problem, phase U (offset - correction exceeds lower limit)
304 Current - sensor problem, phase W (offset - correction exceeds upper limit)
305 Current - sensor problem, phase W (offset - correction exceeds lower limit)
310 Error message driver Phase U High Side
311 Error message driver Phase U Low Side
312 Error message driver Phase V High Side
313 Error message driver Phase V Low Side
314 Error message driver Phase W High Side
315 Error message driver Phase W Low Side
320 Error message undervoltage driver
330 Permanently error message of driver (Error 340 could not be reset after 3 attempts. One of Error messages 302
... 320 should be shown now)
340 Internal driver error (one of error messages 302 ... 320 is set but not shown)
341 Capacitor Voltage too high (> 36V)
345 Measured voltage on phase U does not fit to voltage set by vector controller (not active in [1])
346 Measured voltage on phase V does not fit to voltage set by vector controller (not active in [1])
347 Measured voltage on phase W does not fit to voltage set by vector controller (not active in [1])
400 Monitoring of function processor: internal error
401 Monitoring of function processor: torque setpoint too high (traction control error)
402 Monitoring of function processor: torque setpoint too low (traction control error)
403 Monitoring of function processor: brake incongruously released (traction control error)
404 Monitoring of function processor: actual torque value too high (vector control error)
405 Monitoring of function processor: actual torque value too low (vector control error)
406 Cyclic disable test of relay, contactor and brake outputs failed
407 Internal serial communication disturbed
410 Internal serial communication disturbed
420 Binary inputs are different in main and safety controller
421 Butterfly signal (potentiometer) and / or belly signal and /or potentiometer supply voltage (8,3V) are different in
main and safety controller
422 States of voltages for safety relay (X1:24) and / or contactor (X1:2) and / or brake (X1:49) are different in main
and safety controller
423 LES steering angle and / or torque setpoint are different in main and safety controller
424 Actual motor speed is different in main and safety controller
425 Motor torque evaluation and / or motor voltage (stator) and /or motor frequency are different in main and safety
controller
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