Ep 3: Mr. HEATER BIG MAXX 4 LED ERROR - Find and Fix

In this episode, I'll be reviewing how I was able to fix my shop's Mr. Heater unit.
I'll show you the error code I had, and what I did to find the real issue as to why it wasn't working.

This is the first YouTube Video I found with a similar issue to what I had:
William Vega: “Mr HEATER BIG MAXX 4 LED ERROR”
   • Mr HEATER BIG MAXX 4 LED ERROR  

Link to Trouble shooting file:
Advanced Distributor Products:
https://www.adpnow.com/wp-content/upl...

Link to Manual:
MR HEATER UNIT HEATER MANUALS AND TROUBLESHOOTING GUIDES
https://www.mrheater.com/mhuniversity...

Big Maxx Unit Heater Manual 2020:
https://www.mrheater.com/mwdownloads/...

Source for Computer Board:
Part Info: Control Board 60105
Princess Auto Online:
https://www.princessauto.com/en/contr...

Ebay Link for the replacement relay:
2PCS 24V Relay 30A JQX-105F-1-024D-1HS HF105F-1-024D-1HS 4pin normally open

https://www.ebay.ca/itm/291739576054?...

Source for Fan Motor:
Part Info: 60055 FAN MOTOR YJR-050H4/D40-01 HSU MHU
Allparts Equipment & Accessories Inc Online:
https://www.allpartsinc.com/60055-fan...

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