GSI Group - Laser Division
JK300HP/JK300P/JK125P
Issue 2.0 Pre-installation and User Manual
Part No: 1EA300E01 Page 77 of 172
7.4.2 Alarm 2n02 : Interlock Chain Input 2 Fault
Meaning:
There is no voltage supply to this interlock input.
Possible causes:
1. Interlock supply not turned on.
2. Loose connection.
3. Faulty interlock module.
7.4.3 Alarm 2n03 : Interlock Chain Input 3 Fault
Meaning:
There is no voltage supply to this interlock input.
Possible causes:
1. Interlock supply not turned on.
2. Loose connection.
3. Faulty interlock module.
7.4.4 Alarm 2n04 : Interlock Chain Input 4 Fault
Meaning:
There is no voltage supply to this interlock input.
Possible causes:
1. Interlock supply not turned on.
2. Loose connection.
3. Faulty interlock module.
7.4.5 Alarm 2n05 : Interlock Chain Input 5 Fault
Meaning:
For JK laser products this input is allocated to the Three Phase Overload suppressors. One
or more of the three surge suppressors has been activated, due to a surge in the incoming
voltage supply.
Possible causes:
1. Interlock supply not turned on.
2. Loose connection.
3. Faulty suppressor due to surge.
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. 77
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