Bradford White S-DW2-TW-75T6BN - Manual (Page 10)

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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.
EcoStor2™ Solar
Solar Thermal
Troubleshooting Chart
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
SERVICE
PROCEDURE
Not enough
hot water
1. Gas control
temperature sensor
out of spec.
2. Improperly sized
solar collector(s).
3. Gas backup not
functioning.
4. Solar thermal
system not
functioning.
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.
1. See service
procedure ST-II.
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