Table 5-2 Compressor Fault Types
Compressor Status Fault
Description
Inverter Temperature
The measured Inverter temperature has exceeded the fault limit.
Discharge Temperature
The measured discharge temperature has exceeded the fault limit.
Soft Start Temperature
The measured Soft Start temperature has exceeded the fault limit.
Low Suction Pressure
The measured suction pressure has exceeded the fault limit.
Discharge Pressure
The measured discharge pressure has exceeded the fault limit.
Instantaneous lock-out, pre-CC4.0.0.
3-Phase Over-Current
The calculated 3 phase current has exceeded the fault limit.
Instantaneous lock-out , pre-CC4.0.0.
Cavity Temperature
The measured cavity temperature has exceeded the fault limit.
Leaving Fluid Temperature
The lowest acceptable measured leaving fluid temperature has been exceeded.
(Removed from CC 4.X.X software)
Pressure Ratio
The calculated pressure ratio of discharge/suction has exceeded the fault limit.
Bearing/Motor Fault Active
If a Motor Fault type or a Bearing Fault type is present, then the Bearing/ Motor Fault Active is triggered. This is
not an actual fault, only an indication that a motor or bearing fault type has occurred.
Sensor Fault
If the following measured temperatures (in °C) or pressures in (kPa abs) are surpassed, a sensor fault is triggered:
Inverter Temperature: >100 or < 0 °C
Cavity Temperature: >100 or < -20 °C
Suction Temperature: >100 or < -30 °C
Discharge Temperature: >110 or < -30 °C
Leaving Fluid Temperature: >100 or < -20 °C
Suction Pressure: >1200 or < -30 kPa abs
Discharge Pressure: >3500 or < -30 kPa abs
SCR Temperature
The measured SCR temperature has exceeded the fault limit.
(Fault and Alarm removed from CC 4.2.X and later software)
Lock Out Fault
Lock-Out faults require power cycle to reset.
Instantaneous lock outs:
Inverter Error - CC 4.X.X
Discharge Pressure - pre CC4.0.0
3 Phase Over Current - pre CC4.0.0
If any (or a combination of ) the faults listed below occurs more than 3 times within 30 minutes, a Lock-Out fault
occurs:
Discharge Pressure - CC 4.X.X
3-Phase Overcurrent - CC 4.X.X
Inverter Temperature
SCR Temperature
Motor Overcurrent
Inverter Error - pre CC4.0.0
Rotor Starting Torque
Low Motor Back EMF
Winding Temperature
The measured motor winding temperature has exceeded the fault limit.
High Suction Superheat
The calculated Suction Superheat Temperature has exceeded the Fault limit.
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Summary of Contents for Turbocor TT Series
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