Error codeE7
Duplication of CH occurs due to power supply +24 VDC OFF, controller button ▲ / ▼ / S button OFF, or channel duplication. The manual's first action is: “To be reset automatically.”
- Model
- SMC IZT40, IZT41/42 series
- Display shows
- Duplication of CH (E7)
- Type
- Error code
- Source
- Manual p. 40
What E7 means
Duplication of CH p. 59
Common causes
- Power supply +24 VDC OFF p. 59
- Controller button ▲ / ▼ / S button OFF p. 59
- Duplication of CH p. 59
- Duplication of the CH setting of the high voltage power supply module connected to the controller exists. p. 59
- multiple bars (high voltage power supply modules) are connected to the controller and the settings of the CH switch on the high voltage power supply module are duplicated p. 59
What to do
- To be reset automatically. p. 59
- When multiple bars (high voltage power supply modules) are connected to the controller and the settings of the CH switch on the high voltage power supply module are duplicated, the abnormal signal is OFF (ON when normal. IZTC40 does not have an output signal), and the ION/HV LED for the CH of the bars (high voltage power supply module) which are duplicated are flashing (red) and the error code "E7" is flashing in the frequency display. p. 59
If E7 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact SMC service.
This page summarises what the manufacturer’s manual says about E7; 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.