Mitsubishi FR-E520-0.1KN Instruction Manual page 160

FR-PU04 Indication
Name
Description
Check point
Corrective action
Note: 3 This function is activated only when OH has been set to any of Pr. 180 to
Pr. 183 (input terminal (remote output) function selection).
FR-PU04 Indication
Name
Description
Check point
Corrective action
FR-PU04 Indication
Name
Description
Check point
Corrective action
FR-PU04 Indication
Name
Description
Check point
Corrective action
OH Fault
External thermal relay operation (Note 3)
If the external thermal relay designed for motor overheat
protection or the internally mounted temperature relay in the
motor switches on (contacts open), the inverter output is
stopped. If the relay contacts are reset automatically, the
inverter will not restart unless it is reset.
• Check for motor overheating.
• Check that the value of 7 (OH signal) is set correctly in any
of Pr. 180 to Pr. 183 (input terminal (remote output)
function selection).
Reduce the load and operating duty.
Stll Prev STP
Stall prevention
The running frequency has fallen to 0 by stall prevention
activated. (OL while stall prevention is being activated.)
Check the motor for use under overload.
Reduce the load weight.
Option alarm
Option alarm
If the connection fault of the internal connector occurs, the
inverter output is stopped.
When the high power factor converter connection has been
set, connecting an AC power supply to R, S, T displays this
alarm.
Consult your sales representative.
Corrupt Memry
Parameter storage device alarm
A fault occurred in parameters stored (example: E
fault).
Check for too many number of parameter write times.
Please contact your sales representative.
144
PROTECTIVE FUNCTIONS

2
PROM