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Table 15 — PIC 5 Alarm Codes (cont)
ALARM
CODE
(ALARMRST)
ALARM TEXT
DESCRIPTION
RESET TYPE
ACTION TAKEN BY
CONTROL
POSSIBLE CAUSE
PRESTART FAILURES (CONT)
Alm-231
ALM-231 Prestart
Failure — High Motor
Temperature
Manual
Unit shuts down.
Compressor is not
allowed to start.
Check Comp Motor Wind Temp in
Temperature screen.
Check motor temperature sensor
for wiring and accuracy to IOB con-
nector.
Check motor cooling line and isola-
tion valves for proper operation or
restrictions, check refrigerant filter/
drier.
Check for excessive starts within a
short time span.
Check Comp Motor Temp Override
setting.
Alm-232
ALM-232 Prestart
Failure — High Discharge
Temperature
Manual
Unit shuts down.
Compressor is not
allowed to start.
Check Comp Discharge Temp in
T e m p e r a t u r e s c r e e n .
Allow compressor discharge tem-
perature sensor to cool.
Check compressor discharge tem-
perature sensor wiring and accu-
racy to IOB connector.
Check for excessive starts.
Check Comp Discharge Alert set-
ting.
Alm-233
ALM-233 Prestart
Failure — Low Refrigerant
Temperature
Manual
Unit shuts down.
Compressor is not
allowed to start.
Check Evaporator Pressure, Evap
Sat Refrig Temp, and Evap Refrig
Liquid Temp in Temperature
screen.
Check Evaporator Pressure trans-
ducer and Evaporator Refrigerant
Liquid Temperature sensor wiring
and accuracy to IOB connector.
Check for low chilled water supply
temperatures.
Check refrigerant charge.
Check REFRIG OVERRIDE DELTA
T and EVAP REFRIG TRIPPOINT
in Configuration screen.
Alm-234
ALM-234 Prestart
Failure — Low Line Volt-
age
Manual
Unit shuts down.
Compressor is not
allowed to start.
Check ACTUAL LINE VOLTAGE.
Check UNDERVOLTAGE
THRESHOLD in ISM_CONF
screen.
Check voltage supply.
Check wiring to ISM J3-L1, J3-L2,
and J3-L3.
Check voltage transformers and
switch gear.
Consult power utility if voltage is
low.
Alm-235
ALM-235 Prestart
Failure — High Line Volt-
age
Manual
Unit shuts down.
Compressor is not
allowed to start.
Check ACTUAL LINE VOLTAGE.
Check OVERVOLTAGE THRESH-
OLD in ISM_CONF screen.
Check voltage supply.
Check voltage transformers and
switch gear.
Consult power utility if voltage is
high.
- AquaEdge 1
- Centrifugal Liquid Chillers 1
- AUX CONTROL PANEL 7
- STARTER PANEL 7
- LEGEND FOR FIG. 6-13 9
- Fig. 6 — IOB 1 10
- Fig. 7 — IOB 2 11
- Fig. 8 — IOB 3 12
- Fig. 9 — IOB 4 13
- Fig. 10 — Control Wiring 14
- Fig. 11 — HMI Panel 14
- Controls Outputs 16
- PIC 5 USER INTERFACE 16
- General Interface Features 17
- SETPOINT - Setpoint 18
- Unit Start / Stop 18
- Main Menu 19
- LOCAL Off 20
- PIC 5 CONTROL OPERATION 21
- Start-Stop Control — 21
- Chiller Start-Up Sequence 21
- Startup Sequence 21
- Control Points 22
- PRESSURE - Pressures 28
- CONF_PRG - Prognostics Config 29
- Trendings 30
- Table 16 — PIC 5 Alert Codes 47
- TOUCH SCREEN SETTINGS 52
- FOR THE CONTROLLER 52
- Welcome Screen Content — 53
- Intro screen 54
- COMMUNICATION PROBLEMS 55
- Hardware Problems — 55
- LEGEND 56
- 2— Proxy server 56
- Proxy Settings 57
- Main Menu Description 60
- GENERAL PARAMETERS 61
- Temperatures 62
- Input Status 63
- Output Status 64
- Hydraulic Status 64
- Run Times 65
- Setpoint Table 66
- Quick Test 66
- Configuration Menu 67
- Service Parameters 68
- Surge Correction Config 68
- Protective Limit Config 69
- Option Configuration 69
- ISM Configuration 70
- Factory Parameters 71
- General Configuration 71
- VFD Parameters 72
- SRD Configuration 72
- IOB Configuration 73
- E-Mail Configuration 73
- Master Slave Configuration 74
- Prognostics Config 74
- Reset Configuration 75
- User Configuration 75
- Schedule Menu 76
- Local Schedule 76
- Ice Build Schedule 76
- Network Schedule 77
- Holiday Menu 78
- Bacnet Config 79
- Maintenance Menu 80
- Capacity Control 81
- Override Control 82
- Surge Correction 83
- Maintenance ISM Config 83
- Swift Restart 84
- Master Slave 84
- Power Parameters 85
- ISM Status 86
- ISM History 86
- Maintenance SRD 87
- Maintenance Others 87
- Maintenance IOB 88
- Board Software PN 88
- Evap Pressure Sensor 91
- Cond Pressure Sensor 91
- Eco Pressure Sensor 91
- Diff Pressure Sensor 91
- Oil Sump Pressure 92
- Oil Supply Pressure 92
- Evap Entering Water P 92
- Evap Leaving Water P 92
- Cond Entering Water P 93
- Cond Leaving Water P 93
- Alarms Menu Description 94
- Alarm Reset 94
- DIP SWITCH SETTINGS 95
- DIP SWITCH SETTINGS (cont) 96
- HMI Dip Switch Settings — 96
- APPENDIX D — BACnet OPTION 98
- General — 98
- Table C — BACnet Point Table 100
- 107
- © Carrier Corporation 2014 112
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