When all else fails:
Reboot the S4 to factory settings.
Turn to Page 15,section 2.6 original default set up of the options.
1) Hold yellow button down and the toggle switch up at the same time
2) Turn the S4 on
3) Release both
4) Select program by pressing the yellow button until the appropriate number appears. Press red/yellow together when correct program appears.
5) Allow the timer to continue through the rest of the start up. Start the timer.
6) Reprogram the "clr. ja"
7) Turn timer off
8) Hold line test toggle up
9) Turn timer on
10) Release toggle and then press up again
11) Press yellow button once to change from Clr. nein to Clr. Ja
12) Press red/yellow together to save
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