Hytera RD985S U5 - Fan Failure Alarm; VSWR Alarm

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4. If the above measures fail to solve the problem, contact your local dealer for technical support.
When temperature falls into normal range, the prompt message will disappear, and the Alarm Indicator
will go out.
Fan Failure Alarm
When the fan fails to work, the Alarm Indicator will glow red and the LCD will display the prompt message
below:
Then the repeater will automatically work at low TX power, to protect the transmitter from overheating.
You need to:
1. Check whether the fan is blocked by a foreign object. If yes, remove it.
2. If you cannot solve the problem, contact your local dealer for technical support.
When the fan recovers normal operation, the prompt message will disappear, and the Alarm Indicator will
go out.
VSWR Alarm
High VSWR (voltage standing wave ratio) of TX antenna connector could 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 message below:
Then the repeater will automatically works at low TX power. You need to:
1. Check if the operating frequency of the repeater is in line with that of the antenna. Both frequency