AH500 Module Manual 5-74 Description Procedure The signal received by channel 4 exceeds the range of inputs which can be received by the hardware. Check the signal received by channel 4. The signal received by channel 5 exceeds the range of inputs which can be received by the hardware. Check the signal received by channel 5. The signal received by channel 6 exceeds the range of inputs which can be received by the hardware. Check the signal received by channel 6. The signal received by channel 7 exceeds the range of inputs which can be received by the hardware. Check the signal received by channel 7.