System information

43
Table 15 — 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-406
ALM-406 ISM Fault —
Overload Trip
Manual Unit shuts down.
Any phase current > 108% RLA for
excessive time period. Alarm can
result from significant load side cur-
rent imbalance when running at full
load.
Check ISM_HIST screen.
Check for consistent entering con-
denser water temperature and
water flow rates.
Check MOTOR RATED LOAD
AMPS and STARTER LRA RAT-
ING in ISM_CONF screen.
VFD applications only: Any phase
current > 120% for excessive time
period.
Check ISM Status under the Main-
tenance Menu.
Alm-407
ALM-407 ISM Fault —
Motor Locked Rotor Trip
Manual Unit shuts down.
Any LINE CURRENT > MOTOR
LOCKED ROTOR TRIP for exces-
sive time while running after the
LOCKED ROTOR START DELAY
has expired.
Check MOTOR LOCKED ROTOR
TRIP and MOTOR CURRENT CT
RATIO in ISM_CONF screen.
Check motor nameplate data.
Check ISM_HIST screen.
Check motor wiring and motor wind-
ing resistance.
Temporarily enable SINGLE
CYCLE DROP OUT to capture
power disturbances.
Check ISM Status under the Main-
tenance Menu.
Alm-408
ALM-408 ISM Fault —
Starter Lock Rotor Trip
Manual Unit shuts down.
Any LINE CURRENT > MOTOR
LOCKED ROTOR TRIP for exces-
sive time while running after the
LOCKED ROTOR START DELAY
has expired.
Check MOTOR LOCKED ROTOR
TRIP and MOTOR CURRENT CT
RATIO in ISM_CONF screen.
Check motor nameplate data.
Check ISM_HIST screen.
Check motor wiring and motor wind-
ing resistance.
Temporarily enable SINGLE
CYCLE DROP OUT to capture
power disturbances.
Check ISM Status under the Main-
tenance Menu.