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Carrier AquaEdge 19XR - Return Refrigerant to Normal Operating Conditions

Carrier AquaEdge 19XR
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43
Table 17 — PIC 5 Alarm Codes (cont)
ALARM
CODE
(ALARMRST)
ALARM TEXT
DESCRIPTION
RESET TYPE
ACTION TAKEN
BY CONTROL
POSSIBLE CAUSE
INTEGRATED STARTER MODULE ALARMS (CONT)
Alm-413
ALM-413 ISM Fault —
Start Contact Fault
Manual Unit shuts down. Check 1M dry contact input.
Alm-414
ALM-414 ISM Fault —
Transition Contact Fault
Manual Unit shuts down. Check 2M dry contact input.
Alm-415
ALM-415 ISM Fault — Oil
Pump/High Pressure
Switch Failure
Manual Unit shuts down.
Check high pressure switch and oil
pump.
Alm-416
ALM-416 ISM Fault —
Starter Fault
Manual Unit shuts down.
The ISM has received a start command
and the starter has declared a Fault.
The dry contacts connected to ISM J2-7
and J2-8 are open. See starter display
for starter Fault Code.
For Benshaw Inc. RediStart starters,
view RediStart MICRO display.
For VFD, check VFD display Fault His-
tory. Clear VFD faults with VFD keypad.
For Allen-Bradley wye delta starters with
RLA > 718 A, the TR3 timer may have
expired as a result of a delayed transition.
Alm-417
ALM-417 ISM Fault —
Motor Amps Not Sensed
Manual Unit shuts down.
The ISM has not sensed sufficient cur-
rent for an excessive delay after 1M has
closed.
Check ISM_HIST screen
Check the MOTOR CURRENT CT
RATIO and the MOTOR RATED LOAD
AMPS in the ISM_CONF screen.
Check VFD OPTION configuration.
Check for wiring of current transformers
to the J4 ISM terminals.
Check if main circuit breaker has
tripped.
Check ISM History under the Mainte-
nance Menu.
Alm-418
ALM-418 ISM Fault —
Excessive Acceleration
Time
Manual Unit shuts down.
Any line current remains high for an
excessive time duration following 1M
aux and either 2M aux or transition con-
tact closure.
Check that inlet guide vanes are fully
closed at start-up.
Check ISM_HIST screen.
Check Motor Rated Load Amps in
ISM_CONF screen.
Reduce condenser pressure if possible.
Alm-419
ALM-419 ISM Fault —
Excessive Motor Amps
Manual Unit shuts down.
AVERAGE LINE CURRENT > 110% for
an excessive amount of time. Check
MOTOR RATED LOAD AMPS and
MOTOR CURRENT CT RATIO in
ISM_CONF time.
Check ISM_HIST screen.
Check for conditions that cause exces-
sive lift.
Check guide vane actuator for proper
operation. Confirm that guide vanes will
fully close prior to start-up.
Alm-420
ALM-420 ISM Fault —
Start Transition Contact
Failure
Manual Unit shuts down. Check 1M and 2M dry contact inputs
Alm-421
ALM-421 ISM Fault —
Motor Amps When
Stopped
Manual Unit shuts down.
High line current measured on any
phase after power up or STOP com-
mand. Check the MOTOR CURRENT
CT RATIO and the MOTOR RATED
LOAD AMPS in the ISM_CONF screen.
Check VFD OPTION in SETUP 2
screen.
Check ISM_HIST screen.
Check for high inrush current during
power-up.
Confirm that the starter de-energizes the
motor when the ISM removes 115 v
from ISM J9-2.
Confirm that the correct STARTER
TYPE has been selected in the
ISM_CONF screen.
Alm-422
ALM-422 ISM Fault —
Starter Module Failure
Manual Unit shuts down. Check ISM Hardware

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