Machine won't work

There is a large number of possible causes, some serious, some transient like plant allergy. Your only real choice is to go to a doctor, and I hope you have good access to health care. If unsatisfied with the response ask for a referral to a dermatologist.

Don't delay in case it is one of the nastier possibilities.

Good luck with this.
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This may help you.
My Bosch Washer Won Start eHow

have you accidently turned on a safety feature stopping the machine from starting? or is the door latches closed fully, if opened slightly could be preventing the machine from starting. or maybe its just a faulty start button.

I know you don't want to hear this, but either you did something to the hose filter or you didn't get it plugged back in correctly.

If you banged the water inlet valve in moving it back, it might be damaged.

Suggest you unplug everything and start over.

Delayed Watering
You can delay the first watering cycle of each watering zone by up to 12 hours by using the small button at the bottom middle of each zone area. Press the delay button 1 time for each hour you wish to delay the first start time. The "Low Battery" light will illuminate when you press the button. The maximum delay is 12 hours.
For example, if you are programming at 4:00 in the afternoon and you want your timer to water every 12 hours, but you want the first watering of the day to start at 6:00 a.m., press the Delay button two times. Without the delay, the first cycle would have occurred 12 hours after the timer is programmed (4:00 a.m.). The delay feature changes that to 6:00 a.m. The timer will then water every 12 hours after that.

You have an intermittent contact somewhere that vibrations will every once in a while restore contact. I would clean and crimp every stinking electrical connection in the unit including the door switch. You do that, and I am sure the unit will be fine..

If its showing a key symbol then the child lock is on.Press and hold the start/pause button in for several seconds and this should take the child lock off and start to work again.

unplug replug back in that might reset.

Manual:
http://waterheatertimer.org/pdf/Woods-59203.pdf
59203 plug-in timer: your outdoor lights have to plug into side of timer.

If you want a timer to replace outdoor light switch: buy in-wall timer Aube T1032 or Lowes sells Utilitec 0192773.
http://waterheatertimer.org/Programmable.html#Aube
Add a comment for more help with in-wall.

Here are instructions for 59203 plug-in timer:
Plug in the timer until battery is charged.
Unplug timer so you can program easily.
Press R reset button with paper clip to clear.

Set the time of day:
Press and hold clock button
Press hour button until current hour shows
Press minute button until current minute shows
Press day button until current day shows.
Release clock button

Program review:
Write out ON-off schedule showing hours minutes and days
For example: timer turns ON 6:00 pm all days of week.
Timer turns OFF 1:00 am all days of week.
First step: Set program1 ON > hour, minute, and day.
Next step: Set program1 OFF > hour, minute, and day

If needed, go to next step: Set program2 ON > hour, minute, and day
Next: Set program2 OFF > hour, minute, and day

How to program timer for ON at 6:00 pm and OFF at 1:00 am all days of week:
Step 1: Press PROGRAM button until display shows 1 ON (this is program1 ON)
Press hour button until 6 pm shows
Press minute button until :00 shows
Press day button until all days of week show (MO TU WE TH FR SA SU)

Step 2: Press PROGRAM button until display shows 1 OFF (this is program1 OFF)
Press hour button until 1 am shows
Press minute button until :00 shows
Press day button until all days of week show (MO TU WE TH FR SA SU)

If you want to set another program, you will repeat same steps for program2
Press PROGRAM button until display shows 2 ON

If you are done programming, press clock button
Press ON/AUTO/OFF button until AUTO displays

the keyboard may just need servicing so take the phone and have that done at a repair shop/