One Systems POPS 15a - Manual (Page 20)

output level should be reduced. (Occasional “red” indications are usually
fine, depending on the mixing console’s output capability).
1. Also verify that any other electronic devices in the signal chain are not
being overdriven.
2. Verify that excessive equalization is not present anywhere in the signal
chain.
3. Verify that AC mains levels are within the required range.
Voltage measurements on the AC Mains should be performed by a licensed
electrician or individual trained in making high voltage measurements.
NO SOUND
1. Verify that signal is present on the input of POPS15a. If the signal present
light is illuminated and there is still no output please contact your One
Systems dealer or One Systems directly.
2. Verify that there is AC Mains voltage on POPS15a’s AC Mains input
3. If AC Mains voltage is present, verify that POPS15a’s fuse is not blown. If
POPS15a’s fuse is blown you MUST replace it with the type noted on the
panel directly above the fuse holder!
NOTE: IF THE FUSE IS BLOWN, REPLACE ONLY WITH THE SAME TYPE OF
FUSE. THIS FUSE TYPE IS NOTED ON THE SPEAKER’S INPUT PANEL
NEAR THE FUSE HOLDER. THE LOCATION OF THE FUSE HOLDER IS
SHOWN BELOW.
Fuse Holder