Manual of Prevail
Rev1.1 190510 www.prevail-catv.com
No. 27-1, Youyi Road, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province.
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6.2 Troubleshooting
Should a problem occur, see if the symptoms are listed in Table 6-1.
Table 6-1: Troubleshooting Solutions
Indicator
status
Alarm menu content
Fault
phenomenon
Solution
Power
indicator is
yellow
Power Invalid
LEFT (RIGHT)
The left (right)
power is break
down or the power
cord is not
plugged in
Plug in the left (right) power cord. If
that does not correct the problem,
contact Customer Service. Replace
the power supply.
Power
indicator is
flash yellow
-5V Status HIGH (LOW)
+5V Status HIGH (LOW)
+12V Status HIGH (LOW)
-12V Status HIGH (LOW)
+24V Status HIGH (LOW)
Power alarm
menu shows one
of the contents
The laser is off
Contact Customer Service.
RF indicator
is flash red
RF IN Status
LOW (HIGH)
RF input is
low (high)
Verify the optical transmitter is
operating within the proper input level
threshold range,
If that does not solve the problem,
contact Customer Service.
CSO Initialization failed
CSO nonlinearity
indexes are poor
Disconnect the RF connection, wait 10
seconds before reconnecting the RF
signal.
Laser
indicator is
flash red
Laser Bias
HIGH
The laser is off
Contact Customer Service.
Laser TEC
HIGH
The laser is off
Verify that the unit is operating within
the proper temperature range (-5
～
+45
℃
).
Verify that nothing is obstructing
airflow through the openings in the
front and back of the unit.
Recall factory settings by pressing the
key on the front panel (see Section 3).
If that does not correct the problem,
contact Customer Service.
OutPutPower Status
HIGH (LOW)
The laser is off
Reboot the equipment. If that does not
correct the problem, contact Customer
Service.
None
None
The optical output
power is lower
than the nominal
value
Check the fiber connector.
Follow the connector cleaning
procedure (see Section 6.1).
If that does not correct the problem,
contact Customer Service.
