TMS7 ME00070B Error 8: Power circuit fault

TMS7 soft starter · taken from the manufacturer’s manual, pages cited

Fault code8

The TMS7 has detected a fault in the power circuit. The manual's first action is: “1. Ensure that the motor is correctly connected to the TMS7 and verify the circuit. 2. Check that voltage is correctly applied to all three TMS7 input terminals (L1, L2 & L3).”

Model
TMS7 ME00070B
Display shows
Power circuit fault (8)
Type
Fault code
Source
Manual p. 29

What 8 means

Power circuit fault p. 29

Common causes

  • The TMS7 has detected a fault in the power circuit. p. 29

Safety warnings — read before you start

  • CAUTIONCAUTION STATEMENTS. WARNING - ELECTRICAL SHOCK HAZARD The TMS7 contains dangerous voltages when connected to line voltage. Only a competent electrician should carry out the electrical installation. p. 3

What to do

  1. 1. Ensure that the motor is correctly connected to the TMS7 and verify the circuit. 2. Check that voltage is correctly applied to all three TMS7 input terminals (L1, L2 & L3). p. 29

If 8 is still not resolved

  • Contact your dealer or service center for assistance. p. 29
    “1. Ensure that the motor is correctly connected to the TMS7 and verify the circuit. 2. Check that voltage is correctly applied to all three TMS7 input terminals (L1, L2 & L3).”
Open the manual at page 29 All ME00070B error codes Manual details & download

This page summarises what the manufacturer’s manual says about 8; 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 TMS7. Found a mistake? Report an error.