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Table 18 — PIC 5 Alert Codes (cont)
ALERT CODE
(ALARMRST)
ALERT TEXT
DESCRIPTION
RESET TYPE
ACTION TAKEN
BY CONTROL
POSSIBLE CAUSE
PROCESS ALERTS (CONT)
Alt-157
ALT-157 Process Alert —
High Condenser Pressure
Chiller Off
Automatic when the situation
returns to normal
Alert relay is ON.
Check condenser pressure sensor input,
and check condenser pressure override
configurations
Alt-158
ALT-158 Process Alert —
Prognostic Alert
Automatic
Alert relay is ON.
Check prognostic status and configuration
screen for detailed information.
Alt-159
ALT-159 Process Alert —
LEN Scan Warning
Manual
Alert relay is ON.
Check LEN bus traffic with bus monitor
Alt-160
ALT-160 Process Alert —
Oil Filter Replacement
Manual
Alert relay is ON.
Check oil filter
Alt-161
ALT-161 Process Alert —
Transducer Calibration
Manual
Alert relay is ON.
Do the indicated transducer calibration
Alt-162
ALT-162 Process Alert —
Low Refrigerant Charge
Manual
Alert relay is ON.
Confirm that the unit has low refrigerant
charge before adding refrigerant into chiller.
Alt-164
ALT-164 Process Alert —
Displacement Switch
Manual
Alert relay is ON.
Check impeller displacement switch.
Alt-165
ALT-165 Process Alert —
High Oil Supply
Temperature
Automatic when the situation
returns to normal
Alert relay is ON.
Check oil supply temperature and OIL EXV
status (not only applicable if Oil EXV control
enabled)
Alt-166
ALT-166 Process Alert —
Condenser Flushing
Automatic
Alert relay is ON.
Flush condenser.
Alt-167
ALT-167 Process Alert —
Customer Alert
Automatic
Alert relay is ON.
Check Customer Alert input contact.
Alt-169
ALT-169 Process Alert —
High Evaporator Pressure
Automatic
Alert relay is ON.
Check evaporator pressure sensor input.
Check evaporator pressure override
configurations.
MASTER SLAVE ALERTS
Alt-170
ALT-170 Master Slave
Alert — Master Slave
Same Address
Manual
Master slave work
independent
Check master slave address configurations
Alt-171
ALT-171 Master Slave Alert
— Conflict SW Version
Manual
Master slave work
independent
Check master slave software version number
Alt-172
ALT-172 Master Slave
Alert — Conflict Cooling
Heating Mode
Manual
Master slave work
independent
Check master slave cooling heating selection
Alt-173
ALT-173 Master Slave
Alert — Incorrect Slave
Control Type
Manual
Master slave work
independent
Check slave control type
Alt-174
ALT-174 Master Slave
Alert — Slave Tripout
Manual, automatic in Master
side
Master slave work
independent
Check slave chiller alarms
Alt-175
ALT-175 Master Slave
Alert — Incorrect Master
Control Type
Manual
Master slave work
independent
Check master control type
Alt-176
ALT-176 Master Slave
Alert — No Communica-
tion Master Slave
Automatic
Master slave work
independent
Check communication between master and
slave, wiring, etc.
Alt-179
ALT-179 Master Slave
Alert — Master CCN
Write Rejection
Manual
Master slave work
independent
Check CCN communication, hardware, and
software
Alt-180
ALT-180 Master Slave
Alert — Address Not Slave
Manual
Master slave work
independent
Check master slave configurations