Check First When You Have A Trouble; The Converter Does Not Operate Properly; Power Lamp Is Not Lit; The Charge Lamp On The Converter Unit Does Not Come On - Mitsubishi Electric FR-CC2-H315K Instruction Manual

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.

Check
point
Main
circuit,
The wiring or installation is inadequate.
control
circuit
An appropriate power supply voltage is
Main
not applied. (The operation panel display
circuit
is not operating.)
6.6.2

Power lamp is not lit

Check point
Main circuit,
The wiring or installation is inadequate.
control circuit
6.6.3 The charge lamp on the converter unit does not
come on.
Check point
Main circuit,
The wiring or installation is inadequate.
control circuit
6.6.4

Operation panel display is not operating.

Check point
Main circuit,
The power is not input.
control circuit
The operation panel is not properly
Front cover
connected to the converter unit.
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6. PROTECTIVE FUNCTIONS
6.6 Check first when you have a trouble
Possible cause
Check for secure wiring and installation.
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.
Possible cause
Possible cause
Possible cause
Countermeasure
Countermeasure
Check for secure wiring and installation.
The power lamp is lit when power is supplied to the control circuit
(R1/L11, S1/L21).
Countermeasure
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).
Countermeasure
Input the power.
Check if the front cover is installed securely.
Refer to
page
32
—
51
Refer to
page
37
Refer to
page
37
Refer to
page
32
23