| Symptom | Diagnostic | Fix |
| 120 VAC heater jacket is not heating | CAUTION – Disconnect power from the system. Check the resistance between the neutral and hot terminal block. Resistance should be about 30-35 ohms | If the measurement is out of range for heater resistance, one or both of the heater cartridges are damaged. Both should be replaced. |
| 220 VAC heater jacket is not heating | CAUTION – Disconnect power from the system. Check the resistance between the neutral and hot terminal block. Resistance should be about 120-130 ohms. | If the measurement is out of range for heater resistance, one or both of the heater cartridges are damaged. Both should be replaced. |
Download Baldwin-Series Model 45 Dilution Probe User’s Manual