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4. Trouble shooting
LED status
Possible
Description
Solution
LED red
intermittent blinking
Fan failure
1.
Make sure the fan is not stuck
2.
Replace the fan
LED red intermittent
blinking
Over temperature
protection (OTP)
1. Make sure the installation space
2. Check the fan and clean the fan
filter
3. Reduce the environment
temperature
4. Reduce the load
LED red fast blinking
Different output
voltage module in
the same rack
1. Confirm system output voltage
2. Remove abnormal module
3. Confirm module type
LED red slow blinking
Module frequency
mismatch
1. Confirm system frequency
2. Use RS-485 to set the frequency
LED red fast blinking
Input over voltage
protection (OVP)
1. Check input voltage
2. Reduce the input voltage
LED red slow blinking
Input under voltage
protection (UVP)
1. Battery deep discharge: please
charge the battery
2. Please check the battery
connection
A. Cable diameter
B. Tighten the connector
LED red intermittent
blinking
AC frequency not
synchronization
1. Check the AC source frequency
2. Check the SR-1600 Plus
frequency setting
LED red slow blinking
Under AC voltage
Check the AC source voltage
LED red fast blinking
Over AC voltage
Check the AC source voltage
LED red solid on
Short / Over load
1. Check the connection and make
sure the cable is not short
2. Reduce the load
