Alarm Display Inverter Causes and
Digita_ RUN (Green) Status Explanation Corrective Actions
Operator ALARM IRecIl
uv (Maincircuillowvoltage) Checkthe following:
Main circuitDC voltage • Power supplyvoltage
Jropsbelow_le low-voltage • Main circuit power
L.,'_ detection level whilethe
nverter outpuIis OFF. supply wiring is
Blinking connected.
•Terminal screws are
securely tightened.
Warning
OV(Maincircuitovervolta£eI Checkthe power supply
Fau_t Main circuit DCvoltage voltage.
,, contacts exceeds the overvoltage
o u _ do not detection levelwhile the
change inverter outpulis OFF.
Blinking state.
OH (Cooling finoverheat) Check the intakeair
¢=H Intake air temperature temperature.
rises while the inverter
Blinking outputis OFF.
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