Question about Holmes Products HOH2520-U Heater

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Control panel blinking

My oil filled heater Holmes HOH2520U was working then just shut its self off. the control panel just blinks unless the temp is set to room temp. PLEASE HELP

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  • holmesblink Jan 22, 2009

    I have the same problem and am currently searching everywhere to resolve this.

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My heater did the same, very frustrating. i have solved this problem.  i took off the plastic cover to expose the electronic circuit board and noticed that there was a white residue on the board. I wiped this clean with rubbing alcohol and put everything back. as of 3 weeks ago i have used the heater frequently as normal and not had any problems. chazdee

Posted on Apr 19, 2009

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Worked for me also. I had some coins down in the circuits too (4 year old). Working fine now, no more blinking.

Posted on Nov 30, 2009

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SOURCE: my oil-filled Holmes heater HOH2520U

I have two of these Holmes 2520 heaters, and strangely enough the one that shuts off and blinks is not under recall notice, and the one that works like a champ is. So I phoned Holmes and was told that ALL 2520 heaters are under recall. Phone them and send in your cord for a new heater!!!

Posted on Nov 03, 2009

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Posted on Jan 02, 2017

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Blinking AC button of Honda Civic 2003


HEATING AND AIR CONDITIONING
HONDA CIVIC 2001 - 2005
How to retrieve DTC:
The heater control panel has self-diagnosis function. To run the self-diagnosis function, do the following:
1.Turn the blower fan OFF.
2.Press and hold the recirculation control switch and the rear window defogger switch down.
3.Turn the ignition switch ON (ll).
4.Release both switches. The recirculation indicator and the rear window defogger indicators come on. The recirculation indicator goes off 3 seconds later and the A/C indicator comes on, then the self-diagnosis will begin. About 10 seconds later, the self-diagnosis will finish and the A/C indicator goes off.
- If any trouble is found, the recirculation indicator blinks the diagnostic trouble code (DTC) to indicate a faulty circuit or component.
- If the system is ok, the recirculation indicator stays off.

DTC TROUBLESHOOTING INDEX
DTC (Recirculation indication blinks) Detection Item Page
7An open in the air mix control motor circuit.21 - 16
8A short in the air mix control motor circuit.21 - 16
9A problem in the air mix control linkage, door, or motor.21 - 17
10An open or short in the mode control motor circuit.21 - 18
11A problem in the mode control linkage, doors, or motor.21 -19
12A problem in the blower motor circuit.21 - 20
13A problem in the EEPROM in the heater control panel;
(THE CONTROL PANEL MUST BE REPLACED).21 - 38
14An open in the evaporator temperature sensor circuit.21 - 23
15A short in the evaporator temperature sensor circuit.21 - 24
- In case of multiple problems, the recirculation indicator will indicate only the DTC with the least number of blinks.
- In case of an intermittent failure, the heater control panel will store the DTC until the ignition is turned off.

Mar 17, 2013 | 2003 Honda Civic

1 Answer

My problem is i have a jandi lite 2 and the control panel is just blinking just wondering if there is a reset button i had the heater working good then shut it down now i cant get it to work it just...


check to see if water temp sensor shorted remove to black wires from control board if it quits bad temp sensor if it doesnt bad display board need new display board

May 23, 2011 | Jandy Lite 2 Natural Gas Pilot Light...

1 Answer

How do you program this heater


temp setting
1. press the temp/timer button untill the temp icon blinks
2 use up and down arrows to set temp.3 the temperture icon will stop blinking and the current room temperture will appear after desired temp. is set.
4 the heat will turn off shortly after the desiredtemp. is reached and the temp. ndisplay will blink.
5 the heater will turn back on when room temperture drops below the set temp.

timer : auto -off press the temp/time button untill timer icon blinks. the hour display will apear. the auto off icon will also appear.

2. use up and down arrow buttons to set the heater operation time between 1 and 10 hours. this function will activate once the timer icon stops blinking.
3. the heater will automaticly turn off when time runs out.

set temperture first so heater will cycle on and off till shut down time reached

Feb 02, 2011 | Comfort Zone CZ9009 Oil Filled Electric...

1 Answer

Clean light is blinking. dishwasher won't turn on


it is a problem with the heating cycle.Dishwasher “Clean” Light Blinks 7 Times The electronic control looks for a temp. rise of 2° - 4° F.
If no temp rise, the control assumes a heater fault and blinks the clean LED 7x.
Check the heater circuit, water fill, wash pump operation, and neutral side door
switch.
Run a Diagnostic Cycle to reset the control.
REPLACING THE CONTROL WILL NOT RESOLVE THE CONDITION.
All Electronic Controls
S.O.P. – Standard Operating Procedure Whenever an electronic control is suspected
to be the cause of a product failure: before replacing the control, disconnect and then
reconnect all of the wiring harness connectors to ensure proper electrical contact.
I hope this helps.

Jan 24, 2010 | KitchenAid Dishwashers

1 Answer

2004 Odyssey, heat and A/C do not work unless van in motion


Since warm air eventually comes out when the vehicle is in motion, you may have an air mix door that is stuck in fresh or is somehow blocking warm air from the heater core.

To see if the air mix control motor is bad, you need to retrieve your Diagnostic trouble codes (DTC's) from the heater control panel. To run the diagnostic function, do the following:
1. Turn the ignition switch ON (II).
2. Turn the fan switch OFF.
3. Press the recirc control button to select Recirc (recirc light on.)
4. Press and hold the recirc button to select Fresh (recirc light off) and continue to hold the button down until the recirc light comes on for two seconds and then goes off.
5. If the system is okay, the recirc light stays off.
6. If there is a problem, the recirc light blinks the DTC to indicate the trouble. One blink=a problem in the air mix control motor circuit. Two blinks=problem in the mode control motor circuit
Three blinks=problem in evaporator temp sensor circuit.
7. Turn the ignition switch off to cancel the self diagnosis function. Run the diagnostic again after repairs are complete.

Note: the air mix control motor has a rod which connects to a plastic link. The link controls the mix doors and also connects to the heater control water valve via a cable. The air mix motor may check okay, but if the link is broken then you will still have problems. the motor is on the bottom of the heater unit in the front passenger's foot well.

May 10, 2009 | 2004 Honda Odyssey

3 Answers

My oil-filled Holmes heater HOH2520U will not heat now. it was working for a while the shut its self off and now the control panel is constantly blinking unless it is set at the room temp. HELP PLEASE


I had the same problem. this is what i did. unplug the heater. removed the plastic panel to expose the control panel where the blinking light is.  Removed all the dust and cobweb build up, then using rubbing alcohol, wiped the white residue that was on the green circuit board. I did this 10 days ago and the heater has been working fine since then. chaz  

Dec 06, 2008 | Holmes Products HOH2520-U Heater

1 Answer

Honeywell HZ-705.....HELP!!!!


Should have oil in it. I don't think you can refill it. If it has leaked out, it's probably no good. Anyway, here are the instructions.


Press the *power button* once to start the heater on high power, continuous run. If left at this setting, the unit will run continuously on high power (1500 watts, 12.5 amps) and will not shut off until the unit is manually turned off.
Press the *power button* again, to change to low power, continuous run, (900 watts, 7.5 amps) and will not shut off until the unit is manually turned off.

Set temperature:

Press the temp/timer button until the temperature icon blinks. Use the up and down arrows to set the desired temperature.
The temperature icon will stop blinking and the current room temperature will reappear after the desired temperature is set.

The heater will turn off and on to achieve the desired temperature.

Set timer: (auto off)

Press the timer/timer button until the timer icon blinks. The hour display will appear. The auto off icon will also appear.
Use the up and down arrow buttons to set the heater operation time between 1 and 10 hours. This function will activate once the timer icon stops blinking. The heater will automatically turn off whn the times runs out.

Set timer: (auto on)

Press the temp/timer button until the timer icon blinks. The hour display will appear. The auto on icon will also appear.
Use the up and down arrow buttons to set the heater start time between 1 and 10 hours. This function will activate once the timer icon stops blinking.
The heater will automatically turn on when time expires.

Hope this helps!

Aug 17, 2008 | Heating & Cooling

3 Answers

Heater shut off but doesn't turn on by it'self


Do not touch the timer, once you do, it activates it. Set the temp. and leave the timer alone, unless you want it to shut off at a given time, 1 hr. and up. Once the timer shuts off you will have to start it manually.

Oct 14, 2007 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

Honeywell oil radiator


Press the *power button* once to start the heater on high power, continuous run. If left at this setting, the unit will run continuously on high power (1500 watts, 12.5 amps) and will not shut off until the unit is manually turned off.
Press the *power button* again, to change to low power, continuous run, (900 watts, 7.5 amps) and will not shut off until the unit is manually turned off.

Set temperature:

Press the temp/timer button until the temperature icon blinks. Use the up and down arrows to set the desired temperature.
The temperature icon will stop blinking and the current room temperature will reappear after the desired temperature is set.

The heater will turn off and on to achieve the desired temperature.

Set timer: (auto off)

Press the timer/timer button until the timer icon blinks. The hour display will appear. The auto off icon will also appear.
Use the up and down arrow buttons to set the heater operation time between 1 and 10 hours. This function will activate once the timer icon stops blinking. The heater will automatically turn off whn the times runs out.

Set timer: (auto on)

Press the temp/timer button until the timer icon blinks. The hour display will appear. The auto on icon will also appear.
Use the up and down arrow buttons to set the heater start time between 1 and 10 hours. This function will activate once the timer icon stops blinking.
The heater will automatically turn on when time expires.

Hope this helps!

Sep 24, 2007 | Honeywell /KAZ HOME ENVIRONME HZ-705 7Fin...

1 Answer

Heater will not operate!


did you take it apart to see if the switch is good or the thermostat was functioning?  without looking inside, other than saying it don't work, isn't going to solve anything.

Oct 16, 2006 | Holmes Products HOLMES COMPACT OIL FILLED...

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