Questions & Answers for: a04 comfort zone

...A04..and then it shuts off. Comfort Zone heaters do not have a display board, they only had thermostat knobs. Is it possible that you have a different model of heater? The problem is within the ...

Comfort Zone CZ 1500 A04 CONTINUES TO COME ON The AO4 is a board used by Earthwise on the Comfort Zone Heater.  The reading is the board being used.  If the heater just gives that reading it

What is code A04 when the heater starts up it has a code A04 and wont start running Try pushing up, down and enter at the same time.  If that does not work unplug and try again this should reset ...

...A04 and how to fix it? AO4 is a PCB Board used for some of the Comfort Zone heaters distributed by Earth Wise.  Try using the up, down and enter for a reset of the unit.  If this does not ...

ao4 error code While attempting to start code A04 comes on then unit shuts off It is either a bad pcb board or you may have a short in the wiring. The control board needs to be repaired. I have been ...

How do I fix an A04 display code? Code A04 is displayed when I turn heater on then heater immediately shuts off It either has a short in the wiring or may need a new PCB The control board has a fault.

Comfort zone heater turns off when powered on and A04 is displayed ...