Notes - Epcom EP20M-5B Series User Manual

EP20M-5B Five Band Signal Amplifier
"Run" Indicator Red
Everything is okay
after power-on, but
no improvement in
signal
Effectiveness of the
repeater degrades
after working for a
while

Notes

Power-off is recommended in the following situations.
 Power supply is abnormal.
 Liquid flows into the device or too close to the fire.

Working conditions are abnormal such as overheating, strange smell or foreign matters.
Isolation between outside antenna
and inside antenna is insufficient
The network of SIM card does not
comply with that of signal repeater
The inside antenna is not
successfully connected
The inside antenna is damaged
The outdoor antenna is damaged
The outside antenna get loose
and is not towards the BTS
Feeder is damaged
Change the distance & direction
of outside & inside antenna, until
Replace SIM card or repeater
Fasten the connection of inside
Replace the inside antenna
Replace the outside antenna
Change the direction of outside
10
I.S.O is not flashing
cable and connectors
antenna and fasten it
Replace the feeder