Table 5 — ICVC Alarm Codes (cont)
CHILLER PROTECTIVE LIMIT FAULTS (cont)
ICVC FAULT | PRIMARY | SECONDARY | PRIMARY CAUSE | ADDITIONAL CAUSE/REMEDY | |
STATE | MESSAGE | MESSAGE | |||
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| ||||
259 | PROTECTIVE LIMIT | CCN OVERRIDE STOP | 259→CCN Emergency/ | CCN has signaled the chiller to stop.This fault | |
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|
| Override Stop. | must be manually reset from the default screen | |
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|
|
| of the ICVC. | |
282 | PROTECTIVE LIMIT | INVALID VFD CONFIG | 282→Line Frequency | LINE FREQUENCY in POWER screen must be | |
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| [VALUE] Exceeded Configura- | maintained between | |
|
|
| tion Range. | FREQ=60Hz? is set to NO(50 Hz). LINE FRE- | |
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|
|
| QUENCY must be maintained between | |
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| ||
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|
| (60 Hz). | |
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|
|
| Check high pressure switch and connections to | |
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| ||
283 | PROTECTIVE LIMIT | INVALID VFD CONFIG | 283→Compressor 100% | COMPRESSOR 100% SPEED in VFD_CONF | |
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| Speed Config Ranges: 50=Hz | screen must be set between | |
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| FREQ=60Hz? is set to NO(50 Hz). COMPRES- | ||
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| SOR 100% SPEED must be set between | |
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| ||
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|
| (60 Hz). | |
284 | VFD GATEWAY | COMPATIBILITY | 284→VFD Gateway Compati- | VFD Gateway and VFD software versions are | |
|
| CONFLICT | bility Conflict: Check VFG/ | not compatible. | |
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|
| VFD Versions. | Call Carrier Service. | |
285 | VFD GATEWAY | COMPATIBILITY | 285→VFD Gateway Compati- | VFD Gateway and ICVC software versions are | |
|
| CONFLICT | bility Conflict: Check VFG/ | not compatible. | |
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|
| ICVC Versions. | Call Carrier Service. | |
286 | PROTECTIVE LIMIT | INVERTER | 286→Inverter Overcurrent | Check for high entering water temperature or | |
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| OVERCURRENT | Fault: Check VFD Status. | low condenser water flow. | |
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|
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| Check current settings in VFD_CONF screen. |
*[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.
OUT-OF-RANGE SENSOR
ICVC FAULT | PRIMARY | SECONDARY | PRIMARY CAUSE | ADDITIONAL CAUSE/REMEDY | |
STATE | MESSAGE | MESSAGE | |||
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| ||||
260 | SENSOR FAULT | LEAVING CHILLED WATER | 260→Sensor Fault: Check | Check sensor resistance or voltage drop. | |
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|
| Leaving Chilled Water Sensor. | Check for proper wiring. | |
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|
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| Check for disconnected or shorted wiring. | |
261 | SENSOR FAULT | ENTERING CHILLED | 261→Sensor Fault: Check | Check sensor resistance or voltage drop. | |
|
| WATER | Entering Chilled Water | Check for proper wiring. | |
|
|
| Sensor. | Check for disconnected or shorted wiring. | |
262 | SENSOR FAULT | CONDENSER PRESSURE | 262→Sensor Fault: Check | Check sensor wiring. | |
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|
| Condenser Pressure Sensor. | Check for disconnected or shorted wiring. | |
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|
|
| Check for condensation in transducer | |
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|
|
| connector. | |
263 | SENSOR FAULT | EVAPORATOR | 263→Sensor Fault: Check | Check sensor wiring. | |
|
| PRESSURE | Evaporator Pressure Sensor. | Check for disconnected or shorted wiring. | |
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|
|
| Check for condensation in transducer | |
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|
|
| connector. | |
264 | SENSOR FAULT | COMPRESSOR BEARING | 264→Sensor Fault: Check | Check sensor resistance or voltage drop. | |
|
| TEMP | Comp Thrust Brg Temp Sensor. | Check for proper wiring. | |
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|
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| Check for disconnected or shorted wiring. | |
265 | SENSOR FAULT | COMPRESSOR MOTOR | 265→Sensor Fault: Check | Check sensor resistance or voltage drop. | |
|
| TEMP | Comp Motor Winding Temp | Check for proper wiring. | |
|
|
| Sensor. | Check for disconnected or shorted wiring. | |
266 | SENSOR FAULT | COMP DISCHARGE TEMP | 266→Sensor Fault: Check | Check sensor resistance or voltage drop. | |
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|
| Comp Discharge Temp Sensor. | Check for proper wiring. | |
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| Check for disconnected or shorted wiring. | |
267 | SENSOR FAULT | OIL SUMP TEMP | 267→Sensor Fault: Check Oil | Check sensor resistance or voltage drop. | |
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|
| Sump Temp Sensor. | Check for proper wiring. | |
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|
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| Check for disconnected or shorted wiring. | |
268 | SENSOR FAULT | COMP OIL PRESS DIFF | 268→Sensor Fault: Check Oil | Check sensor resistance or voltage drop. | |
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|
| Pump Delta P Sensor. | Check for proper wiring. | |
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|
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| Check for disconnected or shorted wiring. | |
269 | SENSOR FAULT | CHILLED WATER FLOW | 269→Sensor Fault: Check | Check sensor wiring and accuracy. | |
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|
| Chilled Water Delta P Sensor. | Check for disconnected or shorted wiring. | |
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|
|
| If pressure transducers are not installed, | |
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|
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| check for presence of resistors and jumpers | |
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|
|
| on lower CCM terminal block J3. | |
270 | SENSOR FAULT | COND WATER FLOW | 270→Sensor Fault: Check | Check sensor wiring and accuracy. | |
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|
| Cond Water Delta P Sensor. | Check for disconnected or shorted wiring. | |
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|
|
| If pressure transducers are not installed, | |
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|
|
| check for presence of resistors and jumpers | |
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|
|
| on lower CCM terminal block J3. | |
271 | SENSOR FAULT | EVAP SATURATION TEMP | 271→Sensor Fault: Check | Check sensor resistance or voltage drop. | |
|
|
| Evap Saturation Temp Sensor. | Check for proper wiring. | |
|
|
|
| Check for disconnected or shorted wiring. |
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