Retrotec Blower Door Bedienungsanleitung Seite 56

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©Retrotec Inc. 2015
8.3 3300 Fan will not start
The 3300 series fan's variable speed drive (power supply) will stop working if either of the following conditions
occurs:
1. The internal 25 Amp circuit breaker is triggered
2. The internal relay comes loose
If either situation occurs, disconnect the supply power cord from the wall outlet.
To reset the power supply's circuit breaker
Ensure that the drive is unplugged from any external power source. The circuit breaker can be located without
removing the cover of the power supply. Look through the holes on the right side of the power supply. The white
button is located at the top left of the right side panel. Check whether it is popped open (upward). It can be reset
without removing the case by using a paper clip.
Figure 34: Reset the variable speed drive power supply with the circuit breaker.
To ensure the relay hasn't come loose
If you shake the power supply slightly, you should be able to determine if the relay has come loose. Look through the
holes on the left side of the power supply. The relay is located at the bottom right of the left side panel. The relay is
enclosed in a clear plastic box.
Circuit
Breaker
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