[ 25 ]
0cn
Instantaneous overcurrent ······································································ 6-16
[ 26 ]
0h1
Cooling fin overheat ·············································································· 6-17
[ 27 ]
0h2
External alarm ····················································································· 6-17
[ 28 ]
0h3
Inverter internal overheat ······································································· 6-17
[ 29 ]
0h4
Motor protection (PTC thermistor) ···························································· 6-18
[ 30 ]
0h6
Charging resistor overheat ····································································· 6-18
[ 31 ]
0ln
Motor overloads 1 to 2 ·········································································· 6-19
[ 32 ]
0lu
Inverter overload ·················································································· 6-20
[ 33 ]
0pl
Output phase-failure detection ································································ 6-20
[ 34 ]
0s
Overspeed protection ·············································································· 6-21
[ 35 ]
0un
Overvoltage ························································································ 6-21
[ 36 ]
pbf
Charge circuit fault ··············································································· 6-22
[ 37 ]
pg
PG wire break ······················································································· 6-22
6.4 If the “Light Alarm” Indication (
l-al
) Appears on the LED Monitor ·································· 6-23
6.5 When Codes Other Than Alarm Codes and Light Alarm Indication (
l-al
) are Displayed ····· 6-24
6.5.1 Abnormal motor operation ··············································································· 6-24
[ 1 ] The motor does not rotate ··············································································· 6-24
[ 2 ] The motor rotates, but the speed does not increase ·············································· 6-26
[ 3 ] The motor runs in the opposite direction to the command ······································· 6-27
[ 4 ] Speed fluctuation or current oscillation (e.g., hunting) occurs during running at
constant speed ····························································································· 6-28
[ 5 ] Unpleasant noises are emitted from motor or noises fluctuate ································· 6-29
[ 6 ] Motor is not accelerated or decelerated according to set-up acceleration or
deceleration times ························································································· 6-29
[ 7 ] The motor does not restart even after the power recovers
from a momentary power failure ······································································· 6-30
[ 8 ] Motor generates heat abnormally ······································································ 6-30
[ 9 ] The motor does not run as expected ································································· 6-30
[ 10 ] Motor stalls during acceleration ········································································ 6-31
6.5.2 Problems with inverter settings ········································································· 6-32
[ 1 ] Nothing appears on the LED monitor ································································· 6-32
[ 2 ] The desired menu is not displayed ···································································· 6-32
[ 3 ] Display of under bars (
____
) ·········································································· 6-33
[ 4 ] Display of center bars (----) ········································································· 6-33
[ 5 ]
c ]
Display of parenthesis ······································································· 6-33
[ 6 ] Data of function codes cannot be changed ························································· 6-34
[ 7 ] Function code data are not changeable (change from link functions) ························ 6-34
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