Protect Mode - Fault Codes - Benchmark AHB2 Instruction Manual

PROTECT Mode - Fault Codes

The following table provides a summary of all possible status display conditions. The MUTE lights
will turn on and stay on whenever a fault condition has triggered the PROTECT mode.
If a fault has occurred, power must be turned off for at least 10 seconds before normal
operation can resume. Identify and correct the cause of the fault before restarting the
amplifier.
POWER CLIP
OFF OFF
ON ON
ON OFF
ON OFF
ON FLASH
ON OFF
FLASH ON
FLASH OFF
FLASH ON
ON ON
ON OFF
ON ON
FLASH OFF
FLASH OFF
FLASH ON
ON ON
AHB2 Instruction Manual
TEMP MUTE MUTE
OFF OFF
ON ON
OFF ON
OFF OFF
OFF OFF
OFF OFF
OFF ON
OFF ON
OFF ON
OFF ON
OFF ON
OFF ON
ON ON
OFF ON
ON ON
ON ON
TEMP CLIP
OFF OFF OFF
ON ON ON
ON OFF OFF
OFF OFF OFF
OFF OFF OFF
OFF OFF FLASH
ON OFF OFF
ON OFF ON
ON OFF ON
ON OFF OFF
ON OFF ON
ON OFF ON
ON OFF OFF
ON ON OFF
ON ON ON
ON ON ON
Rev F
Status
Power off, or no AC input
AC Startup - lamp test
Mute on - startup or shutdown
Normal operation, no errors
Channel 1 clipping
Channel 2 clipping
Channel 1 - Clipping Fault
Channel 2 - Clipping Fault
Chan. 1&2 - Clipping Fault
Channel 1 - Over-Current Fault
Channel 2 - Over-Current Fault
Chan. 1&2 - Over-Current Fault
Channel 1 over temperature
Channel 2 over temperature
Power Supply fault or loss of AC
SOA Fault
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