www.fmuser.org
www.fmuser.org
2.6 System Protection
A
In automatic control mode, if RF output power is not able to reach to setting
power, it may cause by:
l
Combiner temperature is above 70.
l
Combiner’s reflect power is above the warning value (more than 2% of the
machine’s nominal power).
l
Unbalance power (the power difference between the maximum output power
and minimum output power from all the power amplify modules) above the
warning value (more than 25% of Power Amplifier’s nominal power).
l
Power of individual amplifier module above the warning value (more than
2% of Power Amplifier’s nominal power).
l
One or more amplifier module is not on line.
A
In automatic and manual control mode, if RF output power reboot, it may
cause by:
l
Combiner temperature is above 85.
l
Output power is too high (more than 5% of the machine’s nominal power).
l
Reflected power is too high (more than 4% of the machine’s nominal power)
l
Unbalance power is too high (more than 30% of the power amplifier’s
nominal power).
l
Power of individual is too high (more than 5% of the power amplifier’s
nominal power).
A
In automatic and manual control mode, if RF output power can not reboot
again, it may cause by:
l
Three times failure of power reboot in 10 minutes.
l
Other hardware reasons.
A
The only way to run the system properly again is to turn off system control
power and amplifier’s power, and then turn on again.
