4 Faults and alarms
4.2 List of faults and alarms
SINAMICS G130/G150
1650 List Manual (LH2), 07/2016, A5E03263479A
F30004 Power unit: Overtemperature heat sink AC inverter
Message value: %1
Message class: Power electronics faulted (5)
Drive object: B_INF, VECTOR_G
Component: Power Module Propagation: LOCAL
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: The temperature of the power unit heat sink has exceeded the permissible limit value.
- insufficient cooling, fan failure.
- overload.
- ambient temperature too high.
- pulse frequency too high.
Fault value (r0949, interpret decimal):
Temperature [0.01 °C].
Remedy: - check whether the fan is running.
- check the fan elements.
- check whether the ambient temperature is in the permissible range.
- check the motor load.
- reduce the pulse frequency if this is higher than the rated pulse frequency.
Notice:
This fault can only be acknowledged after the alarm threshold for alarm A05000 has been undershot.
See also: p1800 (Pulse frequency setpoint)
F30005 Power unit: Overload I2t
Message value: %1
Message class: Power electronics faulted (5)
Drive object: VECTOR_G
Component: Power Module Propagation: LOCAL
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: The power unit was overloaded (r0036 = 100 %).
- the permissible rated power unit current was exceeded for an inadmissibly long time.
- the permissible load duty cycle was not maintained.
Fault value (r0949, interpret decimal):
I2t [100 % = 16384].
Remedy: - reduce the continuous load.
- adapt the load duty cycle.
- check the motor and power unit rated currents.
- increase p0294
See also: r0036 (Power unit overload I2t), r0206 (Rated power unit power), p0307 (Rated motor power)
F30005 Power unit: Overload I2t
Message value: %1
Message class: Power electronics faulted (5)
Drive object: B_INF
Component: Power Module Propagation: LOCAL
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: The power unit was overloaded (r0036 = 100 %).
- the permissible rated power unit current was exceeded for an inadmissibly long time.
- the permissible load duty cycle was not maintained.
Fault value (r0949, interpret decimal):
I2t [100 % = 16384].
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