Ovention Matchbox M1718 Troubleshooting And Diagnostics Information

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Models: M1718

Matchbox

Oven

M1313

™

Diagnostic Fault Tree

P/N 07.04.633.00

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Questions and answers

Penny

March 3, 2025

rb comm error

1 comments:

Mr. Anderson

May 14, 2025

The "RB COMM ERROR" on the Ovention M1718 indicates a communication issue between the main control board and the relay board. This typically means the oven is not receiving proper signals due to a faulty connection, wiring issue, or a malfunctioning relay board.

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Summary of Contents for Ovention Matchbox M1718

Page 2 Introduction Symbols A Diagnostic Fault Tree is an excellent tool for troubleshooting and solving problems that interrupt normal operation of a unit. The following symbols are used in this fault tree analysis. Each The fault tree is designed to grow from the “top level event” of symbol is shown along with its description.
Page 3 Oven Doesn’t Warm Up Oven Doesn’t Warm Up Press reset button on rear of oven and wait 5 minutes Oven still doesn’t Repair warm up complete Check fuses No blown fuse Blown fuse found found Inspect wiring for Check heater fraying or charring current No fraying or...
Page 4 Screens Are Blank Screens Are Blank Verify that oven is plugged in Oven is plugged Oven is not into working 208/ plugged in 240 VAC mains power Verify that door Plug oven into standby switch 208/240 VAC and disconnect mains power switch are on Both the door Door switch or...
Page 5 Screens Are Unresponsive Screens Are Unresponsive Are both screens unresponsive? Both touchscreens Only one screen is unresponsive are unresponsive Turn off standby Is the screen switch (on door) cracked? for 3 seconds then turn it on Screen is not Both screens are Screen is cracked cracked still unresponsive...
Page 6 Slider Doesn’t Complete Travel Or Doesn’t Move At All Slider Doesn’t Complete Travel Or Doesn’t Move At All Manually move slider and assure pinion gear is fully engaged with rack gear over its entire travel Pinion gear does Pinion gear does not fully engage fully engage rack Go to...
Page 7 Oven Doesn’t Cook Right Oven Doesn’t Cook Right Has the food product, cook setting, or cooking pan been changed recently? Yes, there have been No changes have changes that affect oven been made performance Undo changes or adjust cook setting to accommodate the changes Food is uncooked on Food is burned on...
Page 8 Red Screen Displayed when Starting A Cook Red Screen Displayed When Starting A Cook Was the cook cancelled with the “Open” button? Cook was not Cook was cancelled with the cancelled with the “Open” button “Open” button This Verify that the cook is normal.
Page 9 Check Fans Is Lit (Red Light) Check Fans Is Lit (Red Light) Check that air filters are clean and not obstructed Obstruction exists Not Obstructed With air filters removed, check that each fan is Clean/replace drawing air filter(s) or remove obstruction 2 fans on the same None of the four fans...
Page 10 Abnormal Noises From Oven OVM_FT-0113...
Page 11 An Unexpected Screen Displays/Snowy Screen Display An Unexpected Snowy Screen Screen Displays Display Turn off main disconnect switch for 10 seconds, then turn back on Problem persists Problem resolved Replace UI board Oven Clock Doesn’t Keep Correct Time Oven Clock Doesn’t Keep Correct Time Does oven not keep correct time only...
Page 12 No Sound From Oven Speaker No Sound From Oven Speaker No audible beep at end of cook cycle Verify, from control panel, that speaker volume is not turned off Replace speaker Audible beep now Still no audible beep occurs at end of at end of cook cycle cook cycle Check, on power up,...
Page 13 Slider Bangs Into End Of Travel Slider Bangs Into End Of Travel Check the alignment of the magnet on the slider to the proximity switch closest to it Proximity switch and Proximity switch and magnet are not magnet are aligned aligned Disconnect the Align...
Page 14 “Oven Too Cold” Or “Oven Too Hot” Message Displays “Oven Too Cold” Or “Oven Too Hot” Message Displays Verify that the cook setting is within ± 50°F of setpoint temperature Cook setting is not Cook setting is within ± 50°F of within ±...
Page 15 Point A Point Go into Maintenance Mode Set top blower to 100% and bottom blower to 0% and feel by hand for robust airflow as well as visually inspect for obstructions in air path Set top blower to 0% and bottom blower to 100% and feel by hand for robust airflow as well as visually inspect for...
Page 16 OVENTION AUTHORIZED PARTS DISTRIBUTORS ALABAMA IOWA NEW YORK TEXAS Jones McLeod Appl. Svc. Electric Motor Service Co. Acme American Repairs, Inc. GCS Service Birmingham 205-251-0159 Davenport 319-323-1823 Brooklyn 718-456-6544 Fort Worth 800-433-1804 Goodwin Tucker Group Alpro Service Co. Armstrong Repair Service...

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