17
4 TROUBLESHOOTING
Problem or Symptoms
Possible Cause
Solutions
NO AC power output &
Status LED is RED and
Blinking Fast
Over voltage on the
input (OVP)
Check input voltage, ensure
that input is below 14.3V
(28.8V on 24V)
NO AC power output &
Status LED is RED and
Blinking Slowly
Low input voltage
(UVP)
Check input voltage, ensure
that input is above 12.7V
(25.2V on 24V)
NO AC power output &
Status LED is RED and
Blinking Intermittently
Thermal Shutdown
(OTP)
Ensure that nothing is
blocking the ventilation fan
at that the ventilation fan is
still operational
NO AC power output &
Status LED is RED and is
ON Solid
Short circuit or wiring
error. Overload (OLP)
Check AC wiring for short
circuit. Reduce the load.
