Siemens SINAMICS G150 Operating Manual page 184

Diagnosis / Faults and Alarms
Cause: Current in phase T has reached permissible current limit for power section. Pulsing is
blocked for one pulse period.
- Control incorrectly parameterized.
- Fault in motor or in power lines.
- Power lines exceed maximum permissible length.
- Motor load too high.
- Power section defective.
Remedy: - Check motor data.
- Check motor switching mode (star/delta)
- Check motor load.
- Check power line connections.
- Check power lines for short-circuit or ground fault.
- Check length of power lines.
F30035
Power section: Overtemperature Intake air
Reaction: OFF2
Cause: Power section air-intake temperature has exceeded the permissible limit.
- Ambient temperature too high.
- Insufficient ventilation, fan failure
Remedy: - Check that fan is running.
- Check fan mats.
- Check that ambient temperature lies within permissible range.
Caution:
This fault cannot be acknowledged until the value is below the warning threshold for warning
A5002.
Acknowl.: Immediate
F30036
Power section: Overtemperature Electronic module
Reaction: OFF2
Cause: Power section Temperature in module duct of converter has exceeded permissible limit.
- Insufficient ventilation, fan failure.
- Overload.
- Ambient temperature too high.
Remedy: - Check that fan is running.
- Check fan mats.
- Check that ambient temperature lies within permissible range.
Caution:
This fault cannot be acknowledged until the value is below the warning threshold for warning
A5003.
Acknowl.: Immediate
F30037
Power section: Overtemperature DC converter
Reaction: OFF2
Cause: Power section DC converter temperature has exceeded permissible limit.
- Insufficient ventilation, fan failure.
- Overload.
- Ambient temperature too high.
- Line phase failure
Remedy: - Check that fan is running.
- Check fan mats.
- Check that ambient temperature lies within permissible range.
- Check motor load.
- Check line phases.
Caution:
This fault cannot be acknowledged until the value is below the warning threshold for warning
A5004.
Acknowl.: Immediate
F30040
Power section undervoltage 24V
10-42
11/03
SINAMICS G150
Operating Manual