Toshiba LF620 Instruction Manual page 10

10.8 Converter Failure Alarm .............................................................................................................................. 128
10.9 Multiple range high/low limit alarm function ................................................................................................. 129
10.10 Custom unit function.................................................................................................................................... 131
11. Communications Function .................................................................................................................................. 134
11.1 Connections with HHT Terminal .................................................................................................................. 134
11.2 Procedure for Communications with HHT ................................................................................................... 135
11.3 Notes on Communications .......................................................................................................................... 136
12. Self Diagnosis and Alarms .................................................................................................................................. 137
12.1 Self-Diagnosis ............................................................................................................................................. 137
12.2 Output Status for Errors and Alarms............................................................................................................ 140
13. Maintenance and Troubleshooting ..................................................................................................................... 141
13.1 Maintenance................................................................................................................................................ 141
13.2 Troubleshooting........................................................................................................................................... 143
13.2.1 Flow rate is not indicated............................................................................................................... 143
13.2.2 Flow rate indication is not correct. ................................................................................................. 144
13.2.3 Flow rate indication is not stable.................................................................................................... 145
13.2.4 When switch operation is unable ................................................................................................... 146
14. Principle of Operation.......................................................................................................................................... 147
15. Specifications ....................................................................................................................................................... 148
15.1 Specifications .............................................................................................................................................. 148
15.2 Model Number Table ................................................................................................................................... 153
16. Outline Drawing.................................................................................................................................................... 154
16.1 LF620 Type ................................................................................................................................................. 154
16.2 LF622 Type ................................................................................................................................................. 155
Appendix........................................................................................................................................................................ 156
− 9 −
6 F 8 A 0 9 2 7