T8D2 : No Temperature Rise Hose 1

To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.

Check fuses F5 and F6 or F9 and F10 on the MZLP that controls the error channel.
Heated hose electrical connector or wires are defective. Check resistance of hose wiring. See hose manual for proper resistance range.
Defective heater wires in hose. Replace heated hose. NOTE: Defective heaters wires in the hose can also cause the no current error.