Bradford-White Corp Quick Step Plan to Hot Water

SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
No Hot Water
1. No power to heater.
2. Blown water heater fuses.
3. Loose wireconnections.
4. Inoperative heating elements.
5. Inoperative thermostat(s).
6. Open ECO.
7. Inoperative conta ctor(s).
1. Inoperative heating element.
2. Sediment or limebuild up on element(s).
3. Thermostat(s) setto low.
4. Inoperative thermostat(s).
5. Inoperative conta ctor(s).
6. Loose wireconnection.
7. High demand period.
8. Undersized heater.
9. Very cold inlet w ater to heater.
10. Plumbing conne ctions reversed.
Not Enough Hot
Water or
Continues
Operation
Slow Hot Water
Recovery
1. Sediment or limebuild up on element(s).
2. Loose wireconnections.
3. Inoperative thermostat(s).
4. Inoperative conta ctor(s).
5. Derated heatingelementinstalled.
Over Heated
Water
1. Surface thermostat(s) not flush with tank.
2. Grounded heatin g element(s).
3. Thermostat set to high.
4. Inoperative thermostat(s).
5. Inoperative ECO.
1. Check circuit b reakers at service panel.
2. Check water heate r fuses.
3. Check all wire co nnections.
4. Check heating ele ment(s).
5. Check thermostat (s) operation.
6. Reset (check) E CO.
7. Check contactor operation.
1. Check heating ele ment(s).
2. Clean or replace heating element(s)
3. Increase thermo stat setting.
4. Check thermosta t(s).
5. Check contactor operation.
6. Check all wire co nnection.
7. Reduce demand.
8. Replace with larg er heater.
9. Temper water to he ater.
10. Correct plumbing conn ections.
1. Clean or replace heating elements.
2. Check all wire co nnections.
3. Check thermosta t(s).
4. Check contactor operation.
5. Verify element voltage and wattage rating.
1. Check surface the rmostat(s) mounting .
2. Check heating ele ment(s).
3. Adjust thermost at(s) to desired s etting.
4. Check thermosta t(s).
5. Check ECO.
SERVICE
PROCEDURE
2. MCE-III, Page 17
4. MCE-I, Page 15.
5. MCE-VII-IX, Page 21-23.
6. MCE-IV-VI, Page 18-20.
7. MCE-X, Page 24,25
1. MCE-I, Page 15.
2. MCE-XV, Page 30.
4. MCE-VII-IX, Page 21-23.
5. MCE-X, Page 24,25
1. MCE-XV, Page 30.
3. MCE-VII-IX, Page 21-23.
4. MCE-X, Page 24-25
5. See page 8.
1. MCE-XI, Page 26.
2. MCE-I, Page 15.
4. MCE-VII-IX, Page 21-23.
5. MCE-IV-VI, Page 18-20.
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Noisy (singing or
hissing) Elements
1. Limeformation on elements.
2. High or low line voltage.
1. Clean or replace heating elements.
2. Verify linevoltage to heater.
1. MCE-XV, Page 30.
2. MCE-II, Page 16.
TROUBLESHOOTING
WARNING
High voltage exposure. Use caution when
making voltage checks to avoid hazard to
life or property.
Noisy Contactor
1. Lowline voltage.
2. Debris between contactor plates.
3. Incorrect or defectiveoperating coil.
4. Loose wireconnections.
1. Verify linevoltage to heater
2. Replace contacto r.
3. Replace contacto r.
4. Check wire connec tions.
1. MCE-II, Page 16
Quick Step Plan to Hot Water
1. STOP, DANGER! Turn power “OFF” to water heater.
2. Check all wire connections to insure they are snug
and corrosion free.
3. Reset high limit (ECO) (page 18-20).
4. Check for inoperative heating element (page 15).
5. Check line voltage (pg 16), and internal fuses (page 17).
6. Refer to table below if items 1 t hrough 5 above do not correct problem.
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