Hytera RD98X series - Alarm Information - VSWR and Power; VSWR Alarm

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Alarm Information
Then the repeater will automatically switch to low TX
power, to protect the transmitter from overheating.
You will need to:
1. Check if the fan is blocked by any solid object. If yes,
please remove it.
2. If you cannot solve the issue, please contact your local
dealer for technical support.
When the fan recovers normal operation, the LCD prompt
will disappear, and the Alarm Indicator will go out.
VSWR Alarm
High VSWR (voltage standing wave ratio) at the TX
antenna connector will result in damage to the PA, and
even failure of the transmitter.
When the VSWR exceeds the normal range, the Alarm
Indicator will glow red and the LCD will display the prompt
below:
Then the repeater will automatically switch to low TX
power.
You will need to:
1. Check if the TX frequency is within the frequency
range of the antenna. If not, please contact your local
dealer to replace the antenna. Improper antenna
selection could result in poor transmitting performance,
and even damage to the transmitter.
2. Check if connection between the transmitter and RF or
antenna cables is loose or lost. If yes, please secure
the connection or replace the cables.
3. If you cannot solve the issue, please contact your local
dealer for technical support.
When the VSWR falls within the normal range, the LCD
prompt will disappear, and the Alarm Indicator will go out.