GE KVGC 202 - Page 9

Technical
Manual
KVCG202/EN M/H
11
KVGC2
02
9.8.1
Password lost or not accepted 113
9.8.2 Software link settings 113
9.8.2.1 System links 113
9.8.2.2 Control links 113
9.8.2.3 Logic links 113
9.8.2.4 Second setting group not displayed or working 114
9.8.2.5 Software links cannot be changed 114
9.8.3 Alarms 114
9.8.3.1 Watchdog alarm 114
9.8.3.2 Unconfigured or uncalibrated alarm 114
9.8.3.3 Setting error alarm 114
9.8.3.4 “No service” alarm 115
9.8.3.5 “No samples” alarm 115
9.8.3.6 “No Fourier” alarm 115
9.8.4 Records 115
9.8.4.1 Problems with event records 115
9.8.5 Communications 115
9.8.5.1 Measured values do not change 115
9.8.5.2 Relay no longer responding 116
9.8.5.3 No response to remote control commands 116
9.8.6 Output relays remain picked-up 116
9.8.7 Measurement accuracy 116
9.9 Maintenance 116
9.9.1 Preliminary checks 117
9.9.1.1 Earthing 117
9.9.1.2 Main current transformers 117
9.9.2 Remote testing 117
9.9.2.1 Alarms 117
9.9.2.2 Measurement accuracy 117
9.9.3 Local testing 117
9.9.3.1 Alarms 117
9.9.3.2 Measurement accuracy 117
9.9.3.3 Additional tests 117
9.9.4 Method of repair 118
9.9.4.1 Replacing a pcb 118
9.9.4.2 Replacing output relays and opto-isolators 118
9.9.4.3 Replacing the power supply board 119
9.9.4.4 Replacing the back plane 119
9.9.5 Recalibration 119