User`s manual

Contents
12
10 Maintenance and inspection
10.1 Daily inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.2 Periodic inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.3 Battery life and replacement procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10.3.1 Battery life. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
10.3.2 Replacement procedure of the CPU module battery . . . . . . . . . . . . . . . . 10-16
10.3.3 SRAM card CPU module battery replacement procedure . . . . . . . . . . . . 10-20
10.4 Resuming operation of CPU after storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
11 Troubleshooting
11.1 Troubleshooting basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
11.2.1 ERR. terminal (negative logic) has turned off (opened) . . . . . . . . . . . . . . . 11-4
11.2.2 The MODE LED does not turn on. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
11.2.3 When the MODE LED is flickering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7
11.2.4 When the POWER LED has turned off . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
11.2.5 When the POWER LED is flickering in orange . . . . . . . . . . . . . . . . . . . . . 11-10
11.2.6 When the POWER LED has turned on in red. . . . . . . . . . . . . . . . . . . . . . 11-10
11.2.7 When the LIFE LED has turned off or turned on in red/is flickering in red 11-10
11.2.8 When the RUN LED has turned off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11
11.2.9 When the RUN LED is flickering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
11.2.10 When the ERR. LED has turned on or is flickering . . . . . . . . . . . . . . . . . 11-12
11.2.11 When the USER LED has turned on . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11.2.12 When the BAT.ARM LED has turned on. . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11.2.13 When the BOOT LED is flickering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11.2.14 When the LEDs of the output module do not turn on . . . . . . . . . . . . . . . . 11-14
11.2.15 When output load of the output module does not turn on . . . . . . . . . . . . 11-15
11.2.16 When unable to read a program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-16
11.2.17 When unable to write a program into the CPU module. . . . . . . . . . . . . . . 11-17
11.2.18 When program is rewritten unintentionally . . . . . . . . . . . . . . . . . . . . . . . . 11-18
11.2.19 When unable to perform boot operation from the memory card . . . . . . . . 11-19
11.2.20 When "UNIT VERIFY ERR." has occurred . . . . . . . . . . . . . . . . . . . . . . . . 11-20
11.2.21 When "CONTROL BUS ERR." has occurred . . . . . . . . . . . . . . . . . . . . . . 11-21
11.2.22 When the CPU module does not start . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-22
11.2.23 When the CPU cannot communicate with
GX Developer/GX IEC Developer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-23