Faults and Alarms | Issue 01/06 |
A0510 Motor overtemperature
A0511 Motor overtemperature
Cause
-motor is overloaded.
-load duty cycle is exceeded.
Diagnosis & Remedy
Check, independently of the type of temperature monitoring:
-P0604 alarm threshold, motor overtemperature
-P0625 motor ambient temperature
If P0601 = 0 or 1, please check the following:
-is the motor data correct (rating plate)?, if not,
-precise temperature values from the motor identification routine (P1910=1).
-is the motor weight correct (P0344)?
-the permissible overtemperature can be changed using P0626, P0627, P0628, if the motor is not a
standard Siemens motor.
If P0601 = 2, then please check the following:
-is the temperature displayed in r0035 plausible?
-is an KTY84 temperature sensor being used? (others are not supported).
A0520 Rectifier overtemperature
Cause
-alarm threshold of the rectifier heatsink exceeded.
Diagnosis & Remedy
Please check the following:
-is the ambient temperature within the permissible range ?
-are the load and load duty cycle within the permissible range ?
-does the fan operate if the inverter is operational ?
A0521 Ambient temperature too high
Cause
-alarm threshold of the permissible ambient temperature exceeded.
Diagnosis & Remedy
Please check the following:
-is the ambient temperature within the permissible range ?
-does the fan operate if the inverter is operational ?
-is the air feed to the fan obstructed ?
A0522 Read I2C, time exceeded
Cause
-cyclic access to UCE values and power module data via i2c bus (only for sizes FX and GX) is faulted.
A0523 Output fault
Cause
-an output cable is not connected.
Diagnosis & Remedy
-alarm can be suppressed.
A0535 Brake resistor hot
Cause
-the load duty cycle of the braking resistor has been exceeded.
-when the load duty cycle is exceeded, then it is automatically limited to the value P1237.
Diagnosis & Remedy
-use a braking resistor with higher power rating / higher load duty cycle.
A0541 Motor data identification routine active
Cause
-motor data identification routine (P1910) selected and is active
A0542 Speed controller optimization running
Cause
-speed controller optimization (P1960) is selected and is presently active.
316 | MICROMASTER 440 Parameter List |