RUN command
“FW”
Inverter status
“AX” (MC)
Motor speed
Operation
ready (initial
charging, etc.)
Run
ON
ON
8-8-23
Minor Alarm Selection
When various error states are detected, this function enables continuation of operation without tripping
the inverter if they are minor errors. When this is selected, the alarm becomes a minor alarm. The con-
tents of the minor alarm can be selected at Light Alarm Selection 1 (H81)/Light Alarm Selection 2
(H82).
Parameter No. Function name Data Default data Unit
3008Hex-52Hex Light Alarm Selection 1 0000 to FFFF 0 -
3008Hex-53Hex Light Alarm Selection 2 0000 to FFFF 0 -
Precautions for Correct Use
Overheat protection (alarm code: 11, 13, 46) protects by overheat protection (alarm code: 19) of
the inverter that cannot ultimately be turned into a minor alarm. When Motor Electronic Thermal
(alarm code: 17, 18), Braking Resistor Thermal (alarm code: 16) and External Alarm (alarm code:
12) are turned into minor alarms, there is the risk of motors and other external devices burning de-
pending on setting and method of use.
Alarms That Can Be Changed to Minor Alarms
The following alarms can be changed to minor alarms.
Alarm code
hex
Name Overview
11 (0H1) Cooling fin overheating
The cooling fin temperature has risen to the trip lev-
el.
12 (0H2) External trip
An error has occurred in a peripheral equipment, and
the external trip “EXT” signal has turned ON.
13 (0H3) Inverter internal overheating
The internal temperature of the inverter has risen ab-
normally
.
46 (0H6) Inrush current prevention resistor
The temperature of the inrush current prevention re-
sistor has risen abnormally due to frequently turning
the power supply ON/OFF.
16 (dbH)
Braking resistor overheating
The estimated temperature of the braking resistor
coil has risen above the permissible temperature.
8 Other Functions
8-95
M1 Series EtherCAT Type User’s Manual (I670)
8-8 Functions Related to Protection, Warning and Various Output Signals
8
8-8-23 Minor Alarm Selection
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