Rapid Replacement –
Next Day Shipping
Fan Life Cycle Restoration
Cost Avoidance – 50%
savings or more
GE EX2100™ exciter fans installed between approximately 2000 and 2008 are beyond or near the end of their designed life, increasing the risk of failure. These fans are critical to safe and reliable AVR operation, with an OEM recommendation to replace every four years or less.
AP4 Group’s controls team has developed a repair solution and holds an inventory of exchange EX2100 exciter fans. This involves repairing the motor and replacing the RPM sensors on the used fan to restore to OEM specification.
This solution extends the lifespan of your exciter and addresses the following reliability concerns:
The typical EX2100™ contains two sets of three fans each. The first set extracts air from the cabinet and blows it into the second set. The second set blows the air into the environment. Each fan has an RPM sensor that, below a certain value, alarms via the HMI that the fan is not running. There is also a high temperature alarm and trip based on the temperature inside the cabinet. The OEM recommends replacement of the fans every four years, and more often if the temperature exceeds 40°C [104°F].
Since 2021, AP4 has seen a significant number of failures of the exciter fans¹, with over 60 repaired fans currently in operation. EX2100 fan repairs are offered either on a single repair basis or through a multi-fan exchange. Many of our clients opt for a preventative maintenance strategy by exchanging their fans prior to failure and/or maintaining an inventory of spares.
¹Typically GE model 151X1207DG06SA01
AP4 offers exchange fans and can promptly send a remanufactured and tested replacement fan for your EX2100 exciter as soon as we receive your nonfunctional fan. This solution provides greater value compared to the lengthy lead times and higher costs associated with purchasing a new fan from the OEM. While new fans often come with extended delivery times and premium prices, our repair solution helps you save both time and money.
Our testing and recertification process ensures you will receive a replacement fan that is fully capable of performing throughout its entire life cycle, just like a new fan. Each fan undergoes thorough testing to guarantee it will function as intended before installation in your system. AP4 replicates real-world conditions by placing the fan into our testing rack, where we confirm the operation of the fan/motor and the RPM sensor. Additionally, we check the rotation and balance of the components.
Opting for remanufactured fans can lead to savings of 50% or greater compared to buying a brand-new fan. An EX2100 exciter consists of six fans, so whether you’re replacing just one fan or all six, GTC’s solution offers substantial savings.
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