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Cotek SK Series - Troubleshooting guide

Cotek SK Series
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4. Troubleshooting guide
Problems and Symptoms Possible Cause Solutions
“No AC Power Output”
STATUS illuminates the
red LED
a. Blinking fast
Over input voltage.
( OVP )
Check input voltage.
Reduce input voltage.
b. Blinking slow.
Low input voltage.
( UVP )
Recharge battery.
Check connections
and cable.
c. Blinking Intermittently.
Thermal shutdown.
( OTP )
Improve ventilation.
Make sure ventilation
openings in inverter
are not obstructed.
Reduce ambient
temperature.
d. Solid ON. Short circuit or Wiring error.
Overload.(OLP)
Check AC wiring for
short circuit.
Reduce load.
WARNING!
Do not open or disassemble the Inverter.
Attempting to service the unit yourself may
result in a risk of electrical shock or fire.
2

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