Question about Rinnai Toyostove Direct Vent Heater: Laser 30 Toyostove Direct Vent Heater Shipping

3 Answers

Mpi monitor 422 heat problem

My mpi monitor 422 starts to heat after about 5 minute the burner status blinks and no fan operation

Posted by on

  • Gail Stansberry
    Gail Stansberry Jan 01, 2009

    My heater is doing the same thing, let me know if you get any good answers.

  • sl5wysocki Jan 01, 2009

    Mine just started doing this after 2 years of trouble-free use.

    I'd be glad to hear about solutions...



3 Answers

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 1 Answer

I had the same problem last night and this morning. Its in the manual. I had to take the fan off of the back and vaccuum out all of the dust/lint that built up and it was a lot. It is a safety feature. It's a overheating protection feature that usually triggers if there is build up in the fan, front vent or vent pipe to the outside. I hope this helps.

Posted on Jan 06, 2009

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 20 times.


    An expert that has over 10 points.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 2 Answers

Your 422 most likely failed flame verification. This is not a "do-it-yourself" fix. Call your local service person. There are a lot of reasons this can happen.

Posted on Jan 18, 2009

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.


    An expert who has written 50 answers of more than 400 characters.

  • Expert
  • 126 Answers


Your stove has probably never been serviced. There is a good chance the burner mat and burner ring need to be serviced. The mat lifts up on a corner and the ring warps, both of which make the flame not get onto the flame sensor. This causes the stove to light and then turn off. It quits way before the fan circuit calls for circulation, so no fan in the back. You will probably have to get a dealer to service your unit or do it yourself.

Tom Hawkins

Posted on Jan 06, 2009

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

No heat from furnace, Goodman GMPN080-4 Rev A. Cycle is solid red status light, then 3 flashes indicating open pressure switch because the inducer fan does not come on.

Jimbo, it sounds like you are aware of the operational sequence to suggest using a voltmeter to check the actual wires going TO the combustion air fan...if there is no voltage from the board, the board is bad. Just make sure one of the high temp limits are not open... one may be in the blower compartment on some and one will be near the top of the vestibule and a roll out switch should be near the burners. They should all be wired in series.

Always check the manual reset safty switches as the first step in troubleshooting.

Nov 21, 2015 | Goodman Heaters

1 Answer

I have a mpi 2400 monitor. I ran low on fuel so I went and got 4 or 5 gallons to keep it going till my delivery came, but it keeps shutting of and getting an error E 14. I know this means there are...

usually when you run out of oil,you need to bleed off air. there's a bleeder on pump looks like bleeder on a car brake cylinder.atach a piece of rubber hose and run to a bottle, open it up when pump is running till all you get is oil.

Jan 25, 2011 | Heaters

1 Answer

I have a GM100-4 the fan is not blowing and the indicator light is blinking four times.

on most of goodman equipment they have on the door panel or on the actual label inside the furnace what that code actually means... the sequence of operation is as follows though...
the thermostat calls for heat if a digital thermost can take up to 5 minutes..once the call is made the enducer draft motor comes on located in the burner side(small fan) it will run for approx 20-30 seconds and then activates the negative pressure switch which is round and has a plastic tube coming from the enducer draft housing and connected to the pressure switch. the pressure switch once activated then will bring on the hot surface ignitor (porcelien glow plug looking device in behind burner assembly) once the hot surface ignitor gets red hot it milivolts back to the board are sent to the gas valve to open and light..there then should be a metal rod also behind the burner that senses the flame called a flame sensor and keeps the gas valve opened if current there. after heating up to temperature the blower motor should come on.there also is limit devices on the side of burners called roll out limits usually resettable by pushing the black buttons in the middle. there is a high heat limit going into cavity looks like cardboard with 2 prongs but if bad usually will keep fan running all the time there is also a blower limit attached to the blower motor housing that should be closed unless bad... unplug unit and watch it where does it fail/also look for code and repost if you need more help.

Jan 08, 2011 | Goodman Heaters

1 Answer

I have an MPI 41 Kerosene (K-1) monitor heating my home. Every time the monitor starts it gives off an intense smell of Kerosene. It lasts about 4-5 minutes after starting and then the smell seems to...

I would check all fuel lines, connections, and watch how long it takes to ignite. Kerosene heaters should atomize fuel meaning it should look like a fog not droplets, so that would point to fuel nozzle problems. That being said it should exhaust out side not in to the house, inspect the burning chamber real good for cracks or leakage? If this unit has a flue or damper make sure it has a good draft to exhaust the burnt fuel. This is purely speculation not a solution, these are things I would be looking for if it were in my home. Good luck

Jan 07, 2011 | Heaters

1 Answer

Our Monitor MPI 41 model heater won't stay on. It flashes 88:88 in the time/temp window and the Burner status flashes high. When we shut it off (power down) and power it back on it works until it reaches...

Mine is getting fuel, but it still clicks off like the original post stated, and its clean. The only other thing .. that water in the tubing. We get a TON of watered fuel here in Alaska! Damn oil venders.

Dec 31, 2010 | Heaters

1 Answer

MPI 41 Keresene Monitor Heater LIft Pump over-primed?

I recently relocated monitor heater from living room to dining room and ran new line to heater. I have pressed the priming button located on right side and turn unit on, but all that happens is it will click on run for a cycle and burner never ignites and then turns itself off and burner indicator lights continue to blink on and off, I dont think it is getting proper fuel to unit. What do I need to do?

Jan 05, 2010 | Heaters

2 Answers

I have a Monitor 30, it comes on and just runs, it will not lite until I lift the primer once or twice, then it heats fine. I checked the filter and made sure the tank was high enough for a 5 gallon...


You have some kind of fuel problem. When you mention 5 gals of fuel, that leads me to think you need more fuel ( more pressure). If you have a large tank and only have 5 gals you may no have enough head pressure to push the fuel through the line and all the filters in the system. That being said the Monitor 30 is the oldest vented heater around. Parts have not been available for 15 years. The thing that scares me about the M30 is the flame safety circuit. I don't think it is adequate. If you rely on this heater to keep pipes thawed I would get a new Monitor or Toyo.

Tom Hawkins

Mar 03, 2009 | Rinnai Toyostove Direct Vent Heater: Laser...

1 Answer

I have a Goodman furnace GMPN080-4 REV B. I had the blower motor take a dive, so I replaced it with another equivalent 115 VAC 60 Hz 1/2 HP motor. I replaced the 10.0 MFD +10% -5% capacitor with a 7.5 MFD...

limit switch is on the heat exchanger black plastic about 1and1/2 in. by 2 in. with 2 wires going to it , it has 2 screws holding it in take it out and check it with an ohm meter and you should not have a reading if it is good

Feb 01, 2009 | Goodman GMS90703BXA Heater

5 Answers

MPI kerosene Monitor Heater

need to bleed air out of filter at oil tank crack open the screw on top it will bleed out air wait until oil starts to run out then tighten back and bleed at heater on right side lever inside hole push and let off slow 4-5 times and restart

Nov 02, 2008 | Rinnai Toyostove Direct Vent Heater: Laser...

Not finding what you are looking for?
Rinnai Toyostove Direct Vent Heater: Laser 30 Toyostove Direct Vent Heater Shipping Logo

4,964 people viewed this question

Ask a Question

Usually answered in minutes!

Top Rinnai Heaters Experts


Level 3 Expert

1866 Answers


Level 1 Expert

53 Answers

Kenneth Wilson
Kenneth Wilson

Level 1 Expert

45 Answers

Are you a Rinnai Heater Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides