Specifications

91
Table 15 — ICVC Primary and Secondary Messages and
Custom Alarm/Alert Messages with Troubleshooting Guides (cont)
*[LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc., set point predefined or selected by the operator
as an override, alert, or alarm condition. [VALUE] is the actual pressure, temperature, voltage, etc., at which the control tripped.
J. CHILLER ALERTS
STATE PRIMARY MESSAGE
SECONDARY
MESSAGE
ALARM MESSAGE
PRIMARY CAUSE
ADDITIONAL
CAUSE/REMEDY
140 SENSOR ALERT
LEAVING COND
LIQUID TEMP
140->Sensor Fault: Check
Leaving Cond Liquid
Sensor
Temperature sensor reading out of range.
Check LEAVING COND LIQUID TEMP sensor
resistance or voltage drop at CCM.
Check for grounded sensor leads.
Check for proper wiring.
See Table 5.
141 SENSOR ALERT
ENTERING COND
LIQUID TEMP
141->Sensor Fault: Check
Entering Cond Liquid
Sensor
Temperature sensor reading out of range.
Check ENTERING COND LIQUID TEMP sensor
resistance or voltage drop at CCM.
Check for grounded sensor leads.
Check for proper wiring.
See Table 5.
142 SENSOR ALERT
LOW OIL
PRESSURE
142->Oil Pressure Delta P
[VALUE] Exceeded Limit of
[LIMIT]
Check for partially or closed oil line isolation
valves.
Check oil filter.
Check oil level.
Check Oil Pressure Leaving Filter and Oil Sump
Pressure transducer wiring and OIL PRESSURE
DELTA P accuracy.
See Table 5.
143
AUTORESTART
PENDING
LINE CURRENT
IMBALANCE
143->Line Current
Imbalance:
Check VFD Fault History
for Values
Chiller automatically restarting - AUTORESTART
OPTION is enabled.
Power loss has been detected in any phase.
Check LINE CURRENTs and VFD FAULT CODE
in VFD_HIST screen.
See VFD FAULT CODES in Table 16.
Check LINE CURRENT IMBALANCE settings in
VFD_CONF screen.
See Table 5.
Check power distribution bus.
Consult power company.
144
AUTORESTART
PENDING
LINE VOLTAGE
DROP OUT
144->Single Cycle Line
Voltage Dropout
Chiller is automatically restarting -
AUTORESTART OPTION is enabled.
A drop in line voltage has been detected within
2 voltage cycles.
Check LINE VOLTAGE and VFD FAULT CODE
in VFD_HIST screen.
See VFD FAULT CODES in Table 16.
See Table 5.
Check SINGLE CYCLE DROPOUT
setting in VFD_CONF screen.
145
AUTORESTART
PENDING
HIGH LINE
VOLTAGE
145>High Percent Line
voltage [VALUE]
Chiller is automatically restarting -
AUTORESTART OPTION is enabled.
Check LINE VOLTAGE and VFD FAULT CODE
in VFD_HIST screen.
See VFD FAULT CODES in Table 16.
See Table 5.
Check distribution bus.
Consult power company.
146
AUTORESTART
PENDING
LOW LINE
VOLTAGE
146->Low Percent Line
voltage [VALUE]
Chiller is automatically restarting -
AUTORESTART OPTION is enabled.
Check LINE VOLTAGE and VFD FAULT CODE
in VFD_HIST screen.
See VFD FAULT CODES in Table 16.
See Table 5.
Check distribution bus.
Consult power company.
147
AUTORESTART
PENDING
VFD MODULE
RESET
147->VFD Module
Power-On Reset When
Running
Chiller is automatically restarting -
AUTORESTART OPTION is enabled.
VFD Module has detected a hardware fault
and has reset.
Check LINE VOLTAGE and VFD FAULT CODE
in VFD_HIST screen.
See VFD FAULT CODES in Table 16.
148
AUTORESTART
PENDING
POWER LOSS
148->Control Power-Loss
When Running
Chiller is automatically restarting -
AUTORESTART OPTION is enabled.
Check LINE VOLTAGE in VFD_HIST screen.
Check 24 vac control power voltage on ICVC
terminals J1-4 and J1-5.
See Table 5.
Check distribution bus.
Consult power company.
149
AUTORESTART
PENDING
LOW DC BUS
VOLTAGE
149->Low DC Bus
Voltage: [VALUE]
Exceeded Limit of
[LIMIT]*
Chiller is automatically restarting -
AUTORESTART OPTION is enabled.
Check DC BUS VOLTAGE and VFD FAULT CODE
in VFD_HIST screen.
See VFD FAULT CODES in Table 16.
See Table 5.