Bosch water wizard 600 pilot light out
First check your gas supply, gas in bottle or lines? I know, this is basic & I'm not having a shot at you, but you'd be surprised at how many times it gets overlooked.
If you do still have gas supply, evident by that low hiss when you hold the pilot feeder button in (you might have to lean in close to hear it), then you need to check that the piezo is working. This is the bit which produces the spark to ignite your pilot. You will be able to see it sparking at the pilot outlet when you push the button (if you're looking in the right spot).
Ok, you have gas & a working spark? Not sure which buttons to press?
You mentioned the manual no longer being in a helpful condition...do you know which of the 4 buttons, 2 taps, 1 slide control & 1 dial do what?
Well just in case, here we go in simple form... first button on the left is the pilot feeder (lets gas through the pilot), second button from the left is the 'ON' button, third from left is the 'OFF' button & the fourth from the left is the piezo ignite button (gives you that much needed spark!). The slide controls your flame (how much gas gets fed to it). The dial, below the pushbuttons & slide, controls how much water flows through the system which then helps regulate the heat. Make sure the taps on your gas & water lines to the unit are on. There you go...2 taps = gas & water supply, 4 buttons = pilot gas, on, off, piezo (spark), 1 slider = gas/flame control, 1 dial = water flow control.
Ok let's see if we can light it! Water & gas supply turned on, slider set about 25% from left, dial set roughly in the middle, push in button 1 (1st from left) & hold in for about 10 seconds, you should hear a very faint hiss from pilot area. Yes? OK, keep holding button 1 in & press & release button 4 several times until pilot lights, you may not see a difference but if you can't see it and it does light you will hear the faint hiss change to a soft fluttering sound as the flame consumes the gas. Still OK? if so then the next step is to push in button 2 quite firmly & then release button1 as well. If all works as planned you will shortly have hot water supply restored.
If the above has not worked then your hot water service may just need a service to clean everything up & maybe replace a few worn or excessively corroded parts. Otherwise ,if there are no blockages in supply lines etc, then it may be time to replace it.
You neglected to say how long you've had it.
Cheers, hope this has helped.
Feb 18, 2009 |