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Technical Information

D7.21.2/1011/E

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3.13 Alarm history and running conditions

Operating information

Alarm history

Number of compressor running hours -

8 days alarm history

Accumulated running time without good oil

pressure

Most recent 10 alarms

Number of switching cycles

Total number of alarms since the compressor first

operation

Compressor power consumption*

Current, voltage, power factor*

*This data is not stored in CoreSense™ EEPROM memory. These values can be stored in a laptop using CoreSense™ PC

Interface Software or Modbus

communication.

Table 3

3.14 Compressor status codes

 Steady green: An indication of normal operation. There are no faults or issues with the compressor.

 Flashing green: An indication that there is an alert (warning) condition. The compressor can still be

running.

 Flashing orange: An indication that the compressor has tripped with auto reset.

 Flashing red: An indication that the compressor is in lockout state.

 Solid red: An indication that the control module has failed.

3.15 LEDs on the module to display the failure alarms

For warning/alert (green), trip and lockout (red), the flash count is defined as 0.1 second „on‟ and 0.4 second „off‟

with a 2-second pause before the flash count repeats (timings are +/- 50 ms).

Definitions:

 Trip: The module has shut off the compressor due to a fault condition. The compressor will be available to

run when the fault condition no longer exists, and the minimum off time has been satisfied.

 Lockout: The module has shut off the compressor due to a fault condition. The compressor will be

available to run again when the fault condition has been cleared and manual or remote reset is done.

Figure 4

Alert alarms

Compressor will not turn off.

Trip alarms

Compressor turns off for some

time with automatic reset.

Lockout alarms

Compressor turns off.

Manual reset necessary.

1 2 3 4 5 6 7 8 9 10 11 12 ... 16 17

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