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Table 19 — ICVC Primary and Secondary Messages and
Custom Alarm/Alert Messages with Troubleshooting Guides
A. MANUAL STOP
PRIMARY MESSAGE SECONDARY MESSAGE PROBABLE CAUSE/REMEDY
MANUALLY STOPPED — PRESS
CCN OR LOCAL TO START PIC III in OFF mode, press CCN or LOCAL softkey to start unit.
TERMINATE PUMPDOWN MODE
TO SELECT CCN OR LOCAL Enter the CONTROL TEST table and select TERMINATE LOCKOUT
to unlock compressor.
SHUTDOWN IN PROGRESS
COMPRESSOR UNLOADING Chiller unloading before shutdown due to soft/stop feature.
SHUTDOWN IN PROGRESS
COMPRESSOR DEENERGIZED Chiller compressor is being commanded to stop. Liquid pumps are
deenergized within one minute.
ICE BUILD
OPERATION COMPLETE Chiller shutdown from Ice Build operation.
SHUTDOWN IN PROGRESS
RECYCLE RESTART PENDING Chiller is shutting down in recycle mode
B. READY TO START
PRIMARY MESSAGE SECONDARY MESSAGE PROBABLE CAUSE/REMEDY
READY TO START IN XX MIN
UNOCCUPIED MODE Time schedule for PIC III is unoccupied. Chillers will start only when
occupied.
READY TO START IN XX MIN
REMOTE CONTACTS OPEN Remote contacts are open. Close contacts on Terminal Block TB1 to start.
READY TO START IN XX MIN
STOP COMMAND IN EFFECT Chiller START/STOP on MAINSTAT manually forced to stop.
Release force or send START force to start.
READY TO START IN XX MIN
OCCUPIED MODE Chiller timer counting down. Unit ready to start.
READY TO START IN XX MIN
REMOTE CONTACTS CLOSED Chiller timer counting down. Unit ready to start.
Remote contact enabled and closed.
The chiller will stop when the contacts are opened.
READY TO START IN XX MIN
START COMMAND IN EFFECT Chiller START/STOP on MAINSTAT manually forced to start.
Release force to start under normal control.
READY TO START IN XX MIN
RECYCLE RESTART PENDING Chiller in recycle mode.
READY TO START
UNOCCUPIED MODE Time schedule for PIC III is unoccupied. Chiller will start when occupied.
Make sure the time and date are correct. Change values in TIME AND
DATE screen.
READY TO START
REMOTE CONTACTS OPEN Remote contacts have stopped the chiller. Close contact on Terminal Block
TB1 to start.
READY TO START
STOP COMMAND IN EFFECT Chiller START/STOP on MAINSTAT manually forced to stop. Release
point to start.
READY TO START
OCCUPIED MODE Chiller timer count down complete, unit start will commence.
READY TO START
REMOTE CONTACTS CLOSED Chiller timer count down complete. Unit ready for start.
READY TO START
START COMMAND IN EFFECT Chiller START/STOP on MAINSTAT has been manually forced to start.
Chiller will start regardless of time schedule or remote contact status.
STARTUP INHIBITED
LOADSHED IN EFFECT CCN loadshed module commanding chiller to stop.
C. IN RECYCLE SHUTDOWN
PRIMARY MESSAGE SECONDARY MESSAGE PROBABLE CAUSE/REMEDY
RECYCLE RESTART PENDING
OCCUPIED MODE Unit in recycle mode, chilled liquid temperature is not sufficiently above
set point to start.
RECYCLE RESTART PENDING
REMOTE CONTACTS CLOSED Unit in recycle mode, chilled liquid temperature is not sufficiently above
set point to start.
RECYCLE RESTART PENDING
START COMMAND IN EFFECT Chiller START/STOP on MAINSTAT manually forced to start, chilled
liquid temperature is not sufficiently above set point to start.
RECYCLE RESTART PENDING
ICE BUILD MODE Chiller in ICE BUILD mode. Chilled liquid temperature is satisfied for ICE
BUILD conditions.
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