What to do if AEG protect d. 1500 shows Heat sink Over Temperature alarm?
- GgonzalezjosephAug 8, 2025
If the AEG UPS displays a Heat sink Over Temperature alarm, ensure that the fans are functioning correctly and that the air intake vents on the uninterruptible power supply are not blocked. The cause may be fan failure. After the maximum temperature is reached, the uninterruptible power supply shuts down.