GSI Group - Laser Division
JK300HP/JK300P/JK125P
Pre-installation and User Manual Issue 2.0
Page 76 of 172 Part No: 1EA300E01
7.3.12 Alarm 1n12 : Laser Type Not Recognised By The Laser Control Network
Meaning:
The Interlock Module did not receive a correct laser type over the laser control network
following a request.
Possible causes:
1. New laser control card.
2. Re-Programmed laser control card.
3. Loose Laser Control Network connections.
4. Faulty Interlock Card.
5. Faulty Laser Control Card.
7.3.13 Alarm 1n13 : LCC DSP Communications Fault
Meaning:
The Laser Control Card DSP has stopped communicating with the Laser Control Card
Neuron device.
Possible causes:
1. Laser Control Card DSP not programmed.
2. Loose Laser Control Network connections.
3. Faulty Laser Control Card.
7.3.14 Alarm 1n14 : Unexpected power down
Meaning:
The Laser power failed while the laser was on.
Possible causes:
1. Power failed while laser was on
2. Faulty Laser Control Card.
7.4 Interlock Alarms (Zone 2)
7.4.1 Alarm 2n01 : Interlock Chain Input 1 Fault
Meaning:
For JK laser products this input is allocated to the Interlock chain voltage feed.
Possible causes:
1. Interlock supply not turned on.
2. Loose connection.
3. Faulty interlock module.
There is no voltage supply to this interlock input.
Possible causes:
1. Interlock supply not turned on.
2. Loose connection.
3. Faulty interlock module.
Petitioners Canadian Solar Inc. and Canadian Solar (USA) Inc.
Ex. 1025, p. 76
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