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PROBLEM DESCRIPTION
POSSIBLE SOLUTIONS
Everything appears normal, but
there is no RF power
1. Wait a few more seconds, MAX PRO 5000 series exciters need about 8 seconds to get their
power to full, power is slowly ramped up.
2. Maybe one of the alarms was triggered and power was reduced, try to power off and power
back on, whenever an alarm is triggered power may be reduced until you power off and back
on
RF output power is too low
1. Maybe one of the alarms was triggered and power was reduced, try to power off and power
back on, whenever an alarm is triggered power may be reduced until you power off and back
on
2. Find out which alarm was triggered, maybe your unit is over-heating or your antenna (SWR)
may be way off. Let the unit cool off and ensure proper cooling in the future. Perhaps you
adjusted TEMP ALARM or another alarm too low, set it slightly higher.
LCD display keeps showing
TEMP/SWR error warning
1. Unit is probably over-heating or your antenna is faulty. Let the unit cool off and ensure
proper cooling in the future. Perhaps you adjusted TEMP ALARM too low, set it slightly
higher.
2. It is very likely that your antenna is not working correctly, check cable and check SWR. You
may need to adjust SWR ALARM slightly higher (but first make sure your antenna and cable
are OK).
Audio too quiet/loud
1. Open or close the modulation trimmer on MAX PRO 5015+ exciter board a bit.
2. Increase or decrease level on your audio source a little bit, start using software or hardware
compressor. If increasing leads to distortion you may need to open the trimmer on MAX
PRO 5015 exciter board
3. Get a compressor, you can’t sound as loud as best commercial stations unless you get a
compressor, they are all using one, this can either be a software program or even better a
dedicated hardware, check our website for studio equipment. Compressor keeps your audio
“pumped up” while preventing over-modulation (distortion).
Audio too loud
1. Close the modulation trimmer on MAX PRO 5015+ exciter board a little bit.
2. Get a compressor, you can’t sound as loud as best commercial stations unless you get a
compressor, they are all using one, this can either be a software program or even better a
dedicated hardware, check our website for studio equipment. Compressor keeps your audio
“pumped up” while preventing over-modulation (distortion).
Unit blows fuses and draws
excessive current
You have probably burned the output transistor. It is time to contact service support; you may
have to replace a final transistor.
Power supply is blinking
Probably the same thing as above. Blinking power supply means its protection is shutting it off
and back on, probably due to excessive current draw caused by burned final.
Audio distortion on high peaks,
for example on “s” sound.
Your audio input level is slightly too high, reduce input audio level slightly at your audio
source. Use some kind of compressor to remove over-modulation peaks.
There is HUM in audio
- Move antenna as far away from the transmitter and audio gear as possible
- Use balanced audio inputs (XLR audio connectors) rather than RCA
- Make sure SWR is low and that all equipment is grounded.
- Keep audio cables short and away from antenna and RF coaxial cable
- Form a coil from coaxial cable going to the antenna, make a few turns. This stops RF
currents that might be flowing on the outer braid of the coaxial cable.