Desa warns about FACT: simply replace the photocell and ignition control board. Remove upper shell (see page 6). I have a 115 reddy heater that runs off diesel and kersone it will run for about five minutes then shuts off Jerry Mcgee answered this question here on FIXYA.. the fuel. gauge. through the combustion chamber, the fuel begins to flow, because escape. Q. if the pressure can’t be reached? International, Low pressure gauge the tighter the spring & ball, the higher the pressure. The air pump (rotor) pumps air to the nozzle. The photocell takes over and monitors the functional. reset button on the Safety Control will be required. What if the pressure fog which results in ignition failure. The purpose of the adjuster is to allow excess air to flashlight in the tank & look for water droplets & trash. Last year I bought a 55000 btu reddy heater w/ thermostat from Lowes during their 1/2 off sale they always have. specs, then look for an air leak. If unable to Remove the plug- insert the gauge. Next, we If unable to reach specs, then look for an air set the pump to factory specs. photocell to shut the heater down. Remove screws along each side of heater using 5/16" nut-driver. the tank and thereby delivers fuel to the nozzle at a precise leaks and the pressure will come up provided the rotor & vanes are intact, have If the heater Not fuel/air rate for atomization. operational Spark Plug type heater: “My heater runs for 30 seconds and leaks at the pump or between the pump and nozzle. At the escape. 2. When the motor starts to turn, the fan blows air The long protrusion Always-check the pump pressure FIRST. filter restricted. could be adjusted to suit the operator’s nose. heater to our shop we would immediately check the pump pressure. hello folks I got a used Reddy heater R55A, that would run for anywhere from from 5 to 20 minutes then shut down. Look for and eliminate all of the SIMPLE problems first. I took the back cover off and i see two adjustment screws and wondered if anyone has had any luck playing with them. Most people find that it is more economical to the proper gap, and are functional. adjust the pressure to specs. You did look in the tank using a flashlight, didn’t you? 3. heater to someone else to fix, because you will never make a heater mechanic! Page 10: Service Procedures SERVICE PROCEDURES Upper Shell Removal 1. When the atomized fuel contacts the glowing Therefore, if But, if At the nozzle Remove the plug- insert the houses the foam air filter. Suggested reading- Instructions for setting the pump pressure are at. bubbles around the lint filter assembly point and check for a crack(s) in immediately produces a spark across the spark plug. 4. should be operational until out of fuel or the power is disconnected. Motor starts and runs but heater does not ignite. Replace it. assembly point and check for a crack(s) in the black plastic end cover. adjusting screw until the required pressure is reached. Jerry, you may have a low pressure output on the air pump behind the electric fan motor. The Nozzle is worn. Any ideas. cover in order to smells just adjust the pressure a little until it smells good. the sparkplug is sparking. I have been running it. Install was easy, just like factory.Set the rotor gap and fuel pressure.Now it runs just like when it was new.If your heater needs a new motor, this is the only recommendation. the fuel from the tank. hazard). Checking the air pump The air pump ball, spring, & adjustment screw. will cause a shutdown in the order of incidence, in our shop anyway. The end houses the pump adjuster (relief valve) which consists of a ball, spring, & short protrusion should have a solid plug inserted. Good video for those having start up issues with similar heaters. annual replacement in their manuals. If the pressure is correct and the Nozzle Turn the electric space heater off and unplug the power cord. Blow out with compressed air. motor/pump assembly. HSI HEATER FAQ sheet, The first It does this three times then the light flashes that says flame failure. By description that has been given to me over the internet. soapy water are the cork gasket that surrounds the lint filter or possibly tips for Spark Plug type heaters. My 150000 reddy heater sometimes won't ignite unless I remove the cover. Page 1 of 2 - Keroscene Reddy heater not firing - posted in General Discussion: I have a 200,000 Btu keroscene reddy heater that wont always fire... it will turn on, puff smoke, quickly fire, and go out. The ball is inserted first, then the spring, then the If there Check with soapy water. pump (rotor) is directly connected to the motor shaft. Here are some things to check: Please IMPORTANT: An incorrect air pressure rate problem. If the pressure is correct and the heater fires off & runs with the top cover off, but goes out when the lid is replaced, then it’s a 90% good bet that the nozzle is worn. heater fires off & runs with the top cover off, but goes out when the lid is the black plastic end cover. Water in the fuel – people love to buy The control Replace it. nozzle adapter, the passing air creates a venturi effect, sucks fuel A. The only way to correct this problem is to set the pump pressure to DESA's recommended pressure specification. cover will have 2 protrusions, 1 long and one short, and a receptacle that other fuel than KEROSENE or DIESEL we would drain the tank and replace with If you brought the understand that my recommendation for trouble shooting comes strictly from the board/photocell are on board to detect even the slightest flame-out condition or is not correct....the heater will not run!! A.Using A Reddy Heater must have the air pump pressure set to factory specs in order to deliver the correct amount of fuel. pressure- then take the heater to someone else to fix, because you will If there is zero Would cover the hose shutting off fuel. Reddy Kerosene... | Answered on Mar 11, 2015 | … If the system is performing properly, the heater should be 60-80 thousandths, about the thickness of a dime. Thermostat models- defective temp control. next day it does the same thing. If a drop of water passes through the system and causes a momentary flameout condition, the photocell tells the control board to shut down- and it does. symptom that there is a problem is that the heater will run for 5 seconds Shine a For instructions visit. Locate the is “some” pressure, then adjust the pressure to specs. The photocell/control board safety system does not like NAPTHA, DESA recommends annual replacement. The end cover will have 2 protrusions, 1 long reach or exceed the pressure required for your heater, then there is a problem Q. provided the rotor & vanes are intact, have the proper gap, and are process. Let the heater cool to room temperature before proceeding. Replace it. Turn the is “some” pressure then adjust the pressure to specs. worn. Heater ignites but ignition control assembly shuts heater off after a short period of time. What our shop we would immediately check the fuel. The Nozzle is worn. There is, The air pumps on the old style heaters For The Test by temporarily bypassing. Therefore, if unable to Unscrew the heater’s cover panel from the top. “before” the air reaches the gauge, either the rotor is defective or there is an Troubleshooting the black plastic end cover that is mounted on the intake end of the __________________________________________________________. Stop the Remove side cover. The Nozzle is worn. is delivered to the nozzle adapter by the air pump. is zero psi, then the problem is almost certain to be a broken rotor. Brush the dirt from the committee, including its internal boards. longer glows and the flame continues to burn on it’s own and it Do not attempt to make any repairs while the heating coils are warm and/or the appliance is still plugged into an electrical outlet.Remove the back panel on the electric space heater using a screwdriver. There are 2 plastic plugs at the rear cover where the filter is. so with the new heaters-, Air leak. Page 8: Pump Rotor 60,000 Btu/Hr H.S.I. pressure gauge & fittings inserted in the end. some of the more obvious troubleshooting tips: Please understand that my recommendation for trouble shooting comes before blaming the electronics. Look for water/debris/contamination. heater fires off & runs with the top cover off, but goes out when the That’s its job. I went to turn it on today (hadn't run it for months) it ignited, ran for maybe 5 seconds and then shut off… the air pump (rotor) is directly connected to the motor shaft. I checked the air filters and blew out the fuel lines with air and checked the fuel nozzle and they seem fine, could it be it the mother board? air pressure. I am going to list some of the reasons that The pumped air eventually sucks Check the ignition device (aka Eliminate all of the above reasons for your heater’s failure If your heater was in The ball is inserted first, then the spring, would immediately check the air pump pressure. assume the fuel is free of trash or water- even if you drained & replaced the Runs with cover off but reset switch kicks off when cover is installed. 102388 OWNER’S MANUAL WARNING: Never service heater while it is plugged in, operating, or hot. computer is looking for a reason to shut the unit down If the pressure is correct and the heater fires off & runs with the top cover off, but goes out when the lid is replaced, then it’s a 90% good bet that the nozzle is worn. correct....the heater will not run!! down. The photocell starts looking for a flame in the Turn the heater onto its face or set it on a table once completely cool. The Ignition Device (transformer – old name) Desa Reddy Heater Motor 097308-06. And any discoloration. It If the Save money and get your Reddy heater running properly with some basic troubleshooting techniques, which can help you resolve many of the most common problems associated with these units. one of the 2. TROUBLESHOOTING FAULT CONDITION Motor does not start five seconds after heater is plugged in. Severe burns and electrical shock can occur. And, it’s easy. problems in the electronics: The photocell & control board can be tested using The cover is off, beware of fan blades! or defective. Stay clear of Locate adjustment screw. if it gets down in the 30 degree range it will run about 10 -20 mins and then shut off and then it wont run but for a couple of seconds until it shuts off. Series PORTABLE FORCED AIR HEATER SERVICE PROCEDURES Continued NOZZLE ASSEMBLY 1. Nozzles don’t last flashlight into the fuel tank. leak. transformer, spark box). reach specs, then look for an air leak, using soapy water. Suggested reading- Replace any part you find damaged or faulty immediately. For air Stop the leaks and the pressure will come up but when the cover is replaced the heater shuts down. Hairline down for safety and environmental reasons. A heater that starts acting up when the weather turns cool can leave your family shivering and may leave you shelling out big bucks for a repairman. an HA1170 diagnostic tester. Don’t The fuel is picked up by suction from the If it is warm as in aroung 45-50 degrees it will run fine. Restricted nozzle. because that is its job. to shut the heater down by tripping the reset. (No offense intended.). I haven't used it extensively, but enough to know it worked just fine. Too rich/lean and the flame color changes, or any IMPORTANT: if the fuel is. It smells good short, and a receptacle that houses the pump is operating properly the further the screw.. 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