Fault code3
The motor thermistors have indicated an overtemperature situation. The manual's first action is: “1. Identify and correct the cause of the motor overheating. 2. If no thermistors are connected to the TMS7, ensure there is a closed circuit across the motor thermistor input (terminals C1 & C2).”
- Model
- TMS7 ME00070B
- Display shows
- Motor thermistor trip (3)
- Type
- Fault code
- Source
- Manual p. 29
What 3 means
Motor thermistor trip p. 29
Common causes
- The motor thermistors have indicated an overtemperature situation. p. 29
Safety warnings — read before you start
- CAUTIONCAUTION GROUNDING AND BRANCH CIRCUIT PROTECTION. It is the responsibility of the user or person installing the TMS7 to provide proper grounding and branch circuit protection according to the National Electric Code (NEC ®) and local codes . p. 3
What to do
- 1. Identify and correct the cause of the motor overheating. 2. If no thermistors are connected to the TMS7, ensure there is a closed circuit across the motor thermistor input (terminals C1 & C2). p. 29
If 3 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact TMS7 service.
This page summarises what the manufacturer’s manual says about 3; 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.