Jntech JNP75KH - Malfunction and Troubleshooting; Troubleshooting Motor Parameter Failures

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9 Malfunction and Troubleshooting
9.1 Troubleshooting
Once malfunction or stop condition appears, the malfunction LED will lighten
up, LCD will display current malfunction or stop condition, current malfunction
will be recorded by the system for later inquire. Please refer to the form below
which covers the fault and troubleshooting.
Table 9-1 Solution for motor parameter detection failure
Item
Phenomena
Cause
Troubleshooting
R-Stat Test fail
Cannot start
1, The connection
between motor and
inverter is not in
good condition;
2, Motor failure;
3, Inverter failure.
1, Check the connection
between motor and
inverter, whether there
exist short-circuit, open
circuit, and etc.
2. Check motor situation;
3. Contact Supplier
R-Rotr Test fail
Cannot start
L-Leak Test fail
Cannot start
L-Mutu Test fail
Cannot start
Table9-2 Stop condition and trouble shooting
Condition
code
Phenomena
Cause value
Troubleshooting