SECTION IV – TROUBLESHOOTING
Symptom | Probable Cause | Corrective Action / Remedy |
No hot water | Circuit breaker tripped at source. | Reset circuit breaker. |
| Blown fuse in transformer, if | Replace fuse. |
| installed. |
|
| High limit switch tripped. | Reset high limit switch. |
|
|
|
| Loose wires. | Tighten wires. Torque screws |
|
| per torque chart included in |
|
| Section VI. |
| Heating element inoperable. | Check heating element |
|
| operation by clamping an |
|
| Amprobe around each wire to |
|
| the element. The ampere |
|
| reading should agree with the |
|
| nameplate ‘AMP’ figure. |
| Low line voltage. | Have source electrical system |
|
| checked by an electrician. |
| Faulty thermostat. | Move thermostat dial through |
|
| full range. A definite ‘click’ |
|
| should be heard. If not, replace |
|
| thermostat. |
| Faulty low water | Check to see if tank is full of |
| installed. | water. If not, fill tank. If problem |
|
| continues and tank is full, check |
|
| for continuity between the |
|
| common and normally open |
|
| contact of the relay board. If |
|
| continuity is not observed, |
|
| replace low water |
| Magnetic contactor does not | Replace complete magnetic |
| energize. | contactor. Because of the design |
|
| of this particular contactor, it is |
|
| more desirable to replace |
|
| complete control rather than |
|
| rebuilding coil, contacts and |
|
| springs, etc. |
|
|
|
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