www.desatech.com 112108-01C30REMEDY1. Replace ignitor if wire is prop-erly connected and you haveno spark2. Using a match, light pilot. If pi-lot lights turn off pilot and pushpiezo again. If pilot lights, animproper gas/air mixture causeimproper lighting and a longerpurge period is recommended. Ifpilot will not light, check gap atelectrode and pilot. Gap shouldbe 1/8" for strong spark. If elec-trode is okay, replace pilot3. LP only: Check fuel supplyand contact local propane/LPsupplier if low.LP and Natural: Check forkinked or bent hoses. Consultpipe fitter or plumber.POSSIBLE CAUSE1. Defective ignitor2. Defective pilot or misalignedelectrode at pilot3. No or low gas pressurePROBLEMWhen ignitor button is pressed,there is no spark at pilotTROUbLESHOOTINGContinuedREMEDY1. LP only: Check fuel supplyand contact local propane/LPsupplier if low.LP and Natural: Check forkinked or bent hoses. Consultpipe fitter or plumber.2. Repeat lighting procedureseveral times to purge air fromlines. If unit will still not light,contact a qualified service andrepair technician3. Remove debris and dirt, in-spect and clean other possibleobstructions4. Replace control valve5. Contact a qualified technicianto replace pilot line6. Check that main power is onand all wire connections aremade correctly to ignitionmodulePOSSIBLE CAUSE1. No or low gas pressure2. Air in gas line3. Construction debris cloggingmain orifice4. Control valve knob notopening5. Kinked pilot line6. No power to unit or ignitionmodule/power transformer isbadPROBLEMIgnitor will not spark or burnerwill not lightELECTRONIC IGNITION SYSTEM