Discussion:
Freezer heaters not working

customer states that the truck quits working after about 30min in the freezer, and once it thaws it fine. I have B+ going to the F/C distribution board but nothing coming out to the heater resistors, the relay isn't closing when key is turned to the 'on' position, checked diode on F/C distribution board and found it open, anyone else had a similar issue? Not 100% sure this is gonna fix it but. ordered one.
  • Posted 2 Jul 2019 09:14
  • By Rgshock99
  • joined 11 Jun'14 - 8 messages
  • Texas, United States
Rgshock99
Showing items 1 - 3 of 3 results.
wires are are good, turns out it was the fan behind the mast was bad. replaced it and works good. thank you.
  • Posted 17 Jul 2019 21:52
  • Modified 17 Jul 2019 21:53 by poster
  • By Rgshock99
  • joined 11 Jun'14 - 8 messages
  • Texas, United States
Check thermistors are working, heaters will not come on until they are cold, disconnect wiring at them and short them together to turn on circuit path
  • Posted 12 Jul 2019 06:11
  • By dean_f
  • joined 10 May'19 - 6 messages
  • New Zealand
Did any of the heater wires get pinched in the multitask handle? Should have blown a fuse first
  • Posted 10 Jul 2019 07:34
  • By Ifixit
  • joined 30 Jan'17 - 174 messages
  • Pennsylvania, United States

Post your Reply

Forkliftaction accepts no responsibility for forum content and requires forum participants to adhere to our rules of conduct. Click here for more information.

If you are having trouble using the Discussion Forums, please contact us for help.

Fact of the week
Brussels Airport in Belgium, Europe is the world's largest sales point for chocolate, with over 800 tonnes of chocolate sold annually. This averages out to about 1.5 kilograms sold every minute.
Upcoming industry events …
November 11, 2025 - Sydney, Australia
November 26-27, 2025 - Budapest, Hungary
May 20-22, 2026 - Jakarta, Indonesia
Global Industry News
edition #1252 - 16 October 2025
In this week’s Forkliftaction News , we report on the GEP Global Supply Chain Volatility Index which shows Asian supply chains are at their busiest since June 2022 while the US and Europe’s supply chains remain under-utilised. One of the report authors describes the situation as being “as stable as it’s going to get”... Continue reading