Publicidad
LCD
Status
Green
Slow Flashing
Green
Quick Flashing
Green
ISO LED
Quick Flashing
Red
OFF
Alarm LED: Indicates the strength of the received signal from the cell tower. Flashing Alarm means that the booster is
receiving a strong signal on one or more bands. Alarm LED shall remain "Green" or "Slow Flashing Green". Slow flashing
green indicates that everything is working well and the booster is working at nearly the optimum output power to
achieve the best possible coverage.
LCD
Status
Green
Slow Flashing Green
Alarm LED
Quick Flashing Green
Quick Flashing Red
Troubleshooting
Problem
The signal booster has no power.
The booster's power is on but the phone is not
connected to the network and still cannot
communicate with the signal.
Good downlink signal with poor communication quality.
The power is on but the coverage is not good.
Eliminate flashing ISO legend and quick flashing green, quick flashing red
ISO LED problems：
Meaning
No loop back or no self-oscillation
Slight loop back or self-oscillation
Deep loop back or self-oscillation
Severe loop back or self-oscillation
The booster auto shuts off for
protection due to very severe self-
oscillation.
Meaning
Output power is not maximum
Full output power
Output power is too high
signal
The booster automatically
shuts off for protection from
excessive downlink signal
from tower.
Solution Methods
NO action is needed.
NO action is needed.
Not working properly. Check coverage. Leave it
as is if it's good. Please check the Troubleshoot-
ing section to get a solutions if coverage is not
good.
Not working properly.
Please check the Troubleshooting section to get
a solutions.
Solution Metods
Check coverage, if it is good, leave it as it
is; if coverage is not good, increase the
receiving signal level.
Working Properly
Not working properly.
Check coverage, leave it as it is if it's
good; actions must be taken if coverage
is not good or you don't feel
comfortable about Alarm LED quick
flashing green.
Not working properly, actions must be
taken.
Solution Methods
Check that the AC outlet is working.
Try to fasten the connections between the different
parts of the system.
Change the direction of donor antenna or its installation
position.
Check whether there's interference.
Consult the operator whether the signal source base
station works well.
Check "ISO"，"ALC" or other LCD or LED indications.
Take the actions mentioned below.
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