| Symptom | Check | Action |
| 120 VAC heater jacket is not heating | Check the resistance between the black and white wires (tied together) and the blue wire. Resistance should be between 100-130 ohms together or from 230-250 ohms for each leg. | If the measure is open for heater resistance the fusible link has blown and the jacket should be replaced. |
| 220 VAC heater jacket is not heating | Check the resistance between the black and white power wires using an ohmmeter. Resistance should be between 460-480 ohms. | If the measure is open for heater resistance, the fusible link has blown and the jacket should be replaced. |
| Filter plug cannot be removed from filter housing | Check “O” rings for damage High particulate loading | Replace “O” rings Clean the “O” ring sealing surfaces with a clean towel prior to reassembly. |
Download Baldwin-Series Model 34C-R Heated Filter Probe User’s Manual