SMC IZT40, IZT41/42 series Error E5: Fan motor failure

Ionizer · taken from the manufacturer’s manual, pages cited

Error codeE5

Fan motor failure occurs from power supply +24 VDC OFF, controller button ▲ / ▼ / S button OFF, or a faulty fan motor. The manual's first action is: “Turn the power off and on again”

Model
SMC IZT40, IZT41/42 series
Display shows
Fan motor failure (E5)
Type
Error code
Source
Manual p. 40

What E5 means

Fan motor failure p. 59

Common causes

  • Power supply +24 VDC OFF p. 59
  • Controller button ▲ / ▼ / S button OFF p. 59
  • Fan motor failure p. 59
  • When ionizer does not operate properly due to foreign matter caught in the fan motor. p. 59
  • fan motor operation non-conformance occurs during the operation of this product p. 59
  • When the problem occurs p. 59

What to do

  1. Turn the power off and on again p. 59
  2. When fan motor operation non-conformance occurs during the operation of this product, the abnormal signal is OFF (ON when normal. IZTC40 does not have an output signal), and the ION/HV LED for the CH with abnormality is flashing (red) and the error code "E5" is flashing in the frequency display. p. 59
  3. only the bar with a problem (high voltage power supply module) will stop ion generation. p. 59

If E5 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact SMC service.

Open the manual at page 40 All IZT40, IZT41/42 series error codes Manual details & download

This page summarises what the manufacturer’s manual says about E5; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with SMC. Found a mistake? Report an error.