Bradford White ECOSTOR2 SDW2504T Service Manual Supplement page 10

EcoStor2™ Solar EcoStor2™ Solar
This troubleshooting chart serves as a water heater supplement to troubleshoot
specifically the solar features of the water heater. Please refer to page 3 to determine
which base model service manual is appropriate for the non-solar troubleshooting
chart for the water heater.
SYMPTOM PROBABLE CAUSE
1. Gas control
2. Improperly sized
Not enough
hot water 3. Gas backup not
4. Solar thermal
10
10
temperature sensor
out of spec.
solar collector(s).
functioning.
system not
functioning.
Solar Thermal
Troubleshooting Chart
CORRECTIVE ACTION
1.
Verify accurate
temperature is sensed.
2.
Review calculations to
determine appropriate
collectror array.
3.
Review service manual
for base model.
4.
Review solar thermal
system for
functionality.
SERVICE
PROCEDURE
1. See service
procedure ST-II.