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Richard KlineAug 11, 2025
What to do if the green lamp on my Arjo AtmosAir SAT 4000 Medical Equipment pump doesn't light up when turned on?
- NNichole FranklinAug 11, 2025
First, ensure the power cord is properly plugged into both the pump and the wall outlet. If it's plugged in, check if the wall outlet is controlled by a switch; try a different outlet. Also, verify that the circuit breaker for the outlet hasn't tripped or the fuse blown; reset the breaker or replace the fuse if necessary. If the issue persists, the power cord or switch might be damaged, in which case you should contact Arjo for assistance.