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BENSHAW ENHANCED KEYPAD Manuel d'utilisateur Page 184

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8.3.2 During starting, motor rotates but does not reach full speed
8.3.3 Starter not accelerating as desired
176
8 - TROUBLESHOOTING & MAINTENANCE
Condition Cause Solution
Fault Displayed. Fault Occurred. See fault code troubleshooting table for
more details.
Display shows Accel or Run. Maximum Motor Current setting
(P7/QST07) set too low.
Review acceleration ramp settings.
Motor loading too high and/or current not
dropping below 175% FLA indicating
that the motor has not come up to speed.
Reduce load on motor during starting.
Motor FLA (P1/QST01) or CT ratio
(P78/FUN03) parameter set incorrectly.
Verify that Motor FLA and CT ratio
parameters are set correctly.
Abnormally low line voltage. Fix cause of low line voltage.
A mechanical or supplemental brake is
still engaged.
Verify that any external brakes are
disengaged.
Motor Hums before turning. Initial current to low.
Increase initial current.
FLA or CT incorrect..
Verify FLA and CT settings.
Condition Cause Solution
Motor accelerates too quickly. Ramp time (P8/QST08) too short. Increase ramp time.
Initial current (P6/QST06) set too high. Decrease Initial current.
Maximum current (P7/QST07) set too
high.
Decrease Maximum current.
Kick start current (P13/CFN10) too high. Decrease or turn off Kick current.
Kick start time (P14/CFN11) too long. Decrease Kick time.
Motor FLA (P1/QST01) or CT ratio
(P78/FUN03) parameter set incorrectly.
Verify that Motor FLA and CT ratio
parameters are set correctly.
Starter Type parameter (P64/FUN07) set
incorrectly.
Verify that Starter Type parameter is set
correctly.
Motor accelerates too slowly Maximum Motor Current setting
(P7/QST07) set too low.
Review acceleration ramp settings.
Motor loading too high. Reduce load on motor during starting.
Motor FLA (P1/QST01) or CT ratio
(P78/FUN03) parameter set incorrectly.
Verify that Motor FLA and CT ratio
parameters are set correctly.
Abnormally low line voltage. Fix cause of low line voltage.
Ramp time to long. Decrease ramp time.
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