McQuay RVSS14 User Manual

IOMM Starter 49
Acceleration not operating as desired
Condition Cause Solution
Ramp time ( P8) too short. Increase ramp time.
Initial current ( P6) set too high. Decrease Initial current.
Maximum current ( P7) set too high. Decrease Maximum current.
Kick start current ( P13) too high. Decrease or turn off Kick current.
Kick start time ( P14) too long. Decrease Kick time.
Motor RLA ( P1) or CT ratio ( P15)
parameter set incorrectly.
Verify that Motor FLA and CT ratio
parameters are set correctly.
Motor accelerates too quickly.
Starter Type parameter ( P64) set
incorrectly.
Verify that Starter Type parameter is
set correctly.
Maximum Motor Current setting
( P7) set too low.
Review acceleration ramp settings.
Motor loading too high.
Reduce load on motor during
starting.
Motor RLA ( P1) or CT ratio ( P15)
parameter set incorrectly.
Verify that Motor FLA and CT ratio
parameters are set correctly.
Abnormally low line voltage. Fix cause of low line voltage.
Motor accelerates too slowly
Ramp time to long Decrease ramp time
Motor stops unexpectedly while running
Condition Cause Solution
Fault Displayed. Fault Occurred.
See fault code troubleshooting table
for more details.
Verify start command input signal is
present or serial communications
start command is present.
Ready Displayed. Start command lost.
Check any permissives that may be
wired into the run command
(Start/Stop)
Control voltage absent.
Check for proper control voltage
input. Verify wiring and fuses.
Display Blank, Heartbeat LED on D3
board not blinking.
D3 control board problem. Consult factory.

McQuay RVSS14 Specifications

General

Brand	McQuay
Model	RVSS14
Category	Controller
Language	English