Mitsubishi Electric FR-CC2-N Series, Инструкция по эксплуатации

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6. PROTECTIVE FUNCTIONS
6.6 Check first when you have a trouble
6.6
Check first when you have a trouble
• If the cause is still unknown after every check, it is recommended to initialize the parameters, set the required parameter values
and check again.
6.6.1 The converter does not operate properly.
6.6.2 Power lamp is not lit
6.6.3 The charge lamp on the converter unit does not
come on.
6.6.4 Operation panel display is not operating.
Check
point
Possible cause Countermeasure
Refer to
page
Main
circuit,
control
circuit
The wiring or installation is inadequate. Check for secure wiring and installation. 28
Main
circuit
An appropriate power supply voltage is
not applied. (The operation panel display
is not operating.)
Power on a molded case circuit breaker (MCCB), an earth leakage
circuit breaker (ELB), or a magnetic contactor (MC).
—
Check for the decreased input voltage, input phase loss, and wiring. —
If only the control power is ON when using a separate power source
for the control circuit, turn ON the main circuit power.
45
Check
point
Possible cause Countermeasure
Refer to
page
Main
circuit,
control
circuit
The wiring or installation is inadequate.
Check for secure wiring and installation.
The power lamp is lit when power is supplied to the control circuit (R1/
L11, S1/L21).
33
Check
point
Possible cause Countermeasure
Refer to
page
Main
circuit,
control
circuit
The wiring or installation is inadequate.
Check for secure wiring and installation.
The charge lamp turns ON when power is supplied to the control
circuit (R/L1, S/L2, T/L3).
34
Check
point
Possible cause Countermeasure
Refer to
page
Main
circuit,
control
circuit
The power is not input. Input the power. 28
Front
cover
The operation panel is not properly
connected to the converter unit.
Check if the front cover is installed securely. 19