I have power to the grill itself but nothing after the circuit board, obviously something is wrong here - ANY IDEAS.... for an easy fix
Checked all the joints and connections etc. can't see anything obvious.
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Re: No power or anything - unit is dead
Do this test for heating coil: connect a second ac supply cord directly to the coils wires. does it heat? if so, a fix is feasible. the problem is either the thermostat or a blown component on the board. neither are easy
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a blown fuse is a dead short of the circuit
it could be a failed power board , control board , megatron, light wire anything powered by the fuse
good advice is to take it in for a proper diagnosis and quote
There are several circuits that can prevent start up, not the least of which is the power supply itself. Check the owners manual, it may tell you about conditions that could cause this. The next step is to open it up. There may be something obviously wrong, burnt, disconnected or stressed. Barring that, we'd be into board and component level testing. If you know what your doing, the output stages of these high power amps are a good place to start.
Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
Hi, You may have a circuit board problem. Make sure you have power to the unit first. If you can, get on the roof take the access panel off to the electrical components. Most carrier circ boards have a flashing light display on the board itself. On the back of the panel you just took off should be a kiosk that tells you what the flashing means. If the light is dead, no color but you are sure there is power to the unit, the board is bad or there could be a fuse blown on the board. Most circ board fuses are a small 3 or 5 amp blade fuse mounted right on the circ board. I have seen many a carrier board burn out because of lightning. I hope this is not the case for you, as carrier boards are just a little expensive. Hope this helps you get some air back. Mark
Foreman grills have a fuse on the circuit board, have you popped that section open to visually check the fuse? It could be that simple. Fuses do wear down over time, so depending on how much wear and tear you put in, it could just have broken on its own.
Of course, if you replace the fuse and it still goes, you'll need to double-check to see what's shorting it out. The unit may be dead but I wouldn't bet on it.
yes we called it dead set. but this can still be fix. this symptom is usually caused by a breakdown in the power supply circuit. in most modern receivers (transistorized and/or ic), it may also be caused by a breakdown in the horizontal deflection circuits (hor. oscillator, pre-drive, or drive circuits). supply voltages for the tuner, video if,sound if, and vertical output are usually supplied by the horizontal output circuit. but if you doesnt know anything about these stuffs, better bring it to a qualified service tecnhician