If the combination of the backlight and the error / alert icon indicates an error or an abnormal situation, navigate to the diagnostics screen and find the diagnostics code.
You can follow the instruction and Possible solutions as the table below.
| Diagnostic Code | PM3200 | PM3210 | PM3250 | PM3255 | Description | Possible Solution |
| - | / | / | / | / | LCD display is not visible. | Check and adjust LCD contrast/backlight settings |
| - | / | / | / | / | Push buttons do not function. | Restart the power meter by power off and power on again. |
| 101, 102 | / | / | / | / | Metering stops due to internal error. Total energy consumption is displayed. | Enter the Configuration mode and implement Reset Config. |
| 201 | / | / | / | / | Metering continues. Mismatch between frequency settings and frequency measurements | Correct frequency settings according to the nominal frequency of the network. |
| 202 | / | / | / | / | Metering continues. Mismatch between wiring settings and wiring inputs. | Correct wiring settings according to wiring inputs. |
| 203 | / | / | / | / | Metering continues. Phase sequence reverses. | Check wire connections or correct wiring settings. |
| 205 | / | / | / | / | Metering continues. Date and time have been reset due to loss of power. | Set Date and Time. |
| 206 | - | / | - | / | Metering continues. Pulse is missing due to overload on energy pulse output. | Check the energy pulse output settings and correct if needed. |
| 207 | / | / | / | / | Metering continues. Abnormal internal clock function. | Restart the power meter by power off and power on again. |
Released for: Schneider Electric Thailand

