Air conditioner on 2004 Hummer H2

The panel of the air conditioner is not working. It does not turn on. In my beleve it has to be a electrical problem realed withthe fuses. Can you please tell me what could be happening.

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1 answer
The air conditioning fuses are located in the fuse box under the hood. The fuses are marked Blower (40 Amp) and HVAC/ECAS (10 Amp).