Question about Bionaire BH3930 Oil Filled Radiator Heater

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Bionaire Heater #BH3930U - No Heat - Not turning on

When pushing the mode button, unit will not stay on in any heating position (low/high/auto). Red indicator light blinks and I hear a clicking sound like a light switch being turned on and off. When looking into this further, I opened the unit and saw 2 green pc boards. The lower position board is marked "BC6015.PCB" and on this board there are 2 black cubicles marked "coil: 24VDC". The clicking sound comes from one of these coils. Could one of these coils be faulty? If so, where can I purchase the replacement part?

Thank you for your help. Steve Vincze

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Bionaire BH3950 Does not heat

I'm not an expert, but I have two of these units that are working fine.

The on/off switch (the top switch) has a light in it that illuminates when the heater is on and heating. If this light comes on and there is no heat, then the element is probably burned out.

The heater has a safety switch that prevents the unit from working if it is not upright. If the heater was stored for any length of time on its side, the safety switch might have stuck in the off position. Unplug the heater and with the heater upright, try shaking it or slapping it firmly with your hand to se if this fixes the problem.

If none of this works, then as sunmasc says, the thermostat is bad.

Posted on Feb 03, 2008

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  • 2006 Answers

SOURCE: I have an Bionaire BPH1520

AUTO SAFETY SHUT OFF

The heater has a built in safety device which

will switch off the heater automatically in case

of accidental overheating. It can only resume

operation when the user has reset the unit. For the

BPH1520 (OH)will display in an overheat situation.

To reset the heater:

1. Unplug the heater and wait for 30 minutes

for the heater to cool down.

2. After the 30 minutes, plug the heater in

again and operate normally.


fOR FUTURE REFERENCE HERE IS A COPY OF THE OWNERS MANUAL


http://www.bionaireuk.co.uk/Manuals/MANUALS/BPH1520-UK_43_91313392.PDF

Posted on Jun 07, 2011

  • 1 Answer

SOURCE: polohunt1@aol.com my bionaire bch9221 120

Mine was doing the same thing. Took it apart and found that the white wire which hooked up from the circuit board to the heating element had burnt which broke the connection...hence no heat....replaced burnt wire and resoldered to heating element...put it back together and voila I have heat once more....still doesn't solve why the wire fried though....

Posted on Oct 30, 2011

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AUTO SAFETY SHUT OFF

The heater has a built in safety device which

will switch off the heater automatically in case

of accidental overheating. It can only resume

operation when the user has reset the unit. For the

BPH1520 (OH)will display in an overheat situation.

To reset the heater:

1. Unplug the heater and wait for 30 minutes

for the heater to cool down.

2. After the 30 minutes, plug the heater in

again and operate normally.


fOR FUTURE REFERENCE HERE IS A COPY OF THE OWNERS MANUAL


http://www.bionaireuk.co.uk/Manuals/MANUALS/BPH1520-UK_43_91313392.PDF

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I'm not an expert, but I have two of these units that are working fine.

The on/off switch (the top switch) has a light in it that illuminates when the heater is on and heating. If this light comes on and there is no heat, then the element is probably burned out.

The heater has a safety switch that prevents the unit from working if it is not upright. If the heater was stored for any length of time on its side, the safety switch might have stuck in the off position. Unplug the heater and with the heater upright, try shaking it or slapping it firmly with your hand to se if this fixes the problem.

If none of this works, then as sunmasc says, the thermostat is bad.

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