Motor temperature signal lost

What does F00015 mean?

The motor temperature sensor has an open or short circuit, causing a loss of its signal. This results in the drive's temperature monitoring switching to a thermal model instead of direct sensor input, which can lead to inaccurate temperature protection if the underlying issue is not resolved. Continuous operation with a faulty sensor could lead to motor overheating and damage.

• Open circuit in the motor temperature sensor (e.g., PTC, KTY, PT100/1000) wiring.
• Short circuit in the motor temperature sensor wiring insulation.
• Sensor element failure (e.g., internal break or short) within the motor winding.
• Loose or corroded connections at the drive's sensor input terminals (e.g., X12 terminal block).
• Incorrect sensor type configured in drive parameters (e.g., Parameter P600 set for PT1000 when PTC is installed).

Click steps to track your progress.

1. 1

   Verify the motor temperature sensor type (e.g., PTC, KTY, PT1000) and measure its resistance at the motor side according to manufacturer specifications (e.g., 25°C resistance).

2. 2

   Measure resistance across the motor temperature sensor input terminals (e.g., X12:1 and X12:2) at the drive with power off; compare to the expected sensor resistance.

3. 3

   Inspect continuity and insulation of the motor temperature sensor cable from the motor to the drive terminals (e.g., using a multimeter for open/short circuits).

4. 4

   Check drive parameters related to temperature monitoring (e.g., P600, P601) to ensure they match the installed sensor type.

5. 5

   Clean and re-terminate the temperature sensor wires at the drive's input terminals (e.g., X12) to ensure solid electrical contact.