Mitsubishi Electric FR-S500E Instruction Manual page 169

Operation Panel Indication
Name
Description
Check point
Corrective action
Operation Panel Indication
Name
Description
Check point
Corrective action
(2) Minor failures
When the protective function is activated, the output is not shut off. You can make
parameter setting to output the minor fault signal. (Set "98" in any of Pr. 64, Pr. 65
(output terminal function selection). Refer to page 98.)
Operation Panel Indication
Name
Description
Check point
Corrective action
RET
Retry count over
If operation cannot be resumed properly within the number of
retries set, this function stops the inverter output.
Find the cause of alarm occurrence.
Eliminate the cause of the error preceding this error indication.
CPU
CPU error
If the arithmetic operation of the built-in CPU does not end within a
predetermined period, the inverter self-determines it as an alarm
and stops the output.
Please contact your sales representative.
FN
Fan trouble
For the inverter which contains a cooling fan,
operation panel when the cooling fan stops due to a fault.
Check the cooling fan for a fault.
Replace the fan.
159
Errors (Alarms)
FR-PU04 Retry No Over
FR-PU04 CPU Fault
FR-PU04
appears on the
FN
3