ECO
Installation Instructions and Use & Care Guide
39
21.
MAINTENANCE CHECKLIST AND ERROR CODES
21.1.
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSES
WHAT TO DO
Water dripping down
the outside of the
water heater
Inlet/Outlet water connections are
not tightened
Tighten the inlet and outlet pipe
connections
Not enough or no hot
water
Water usage may have exceeded the
capacity of the water heater
Wait for the water heater to recover
after abnormal demand
Electric supply may be off
Make sure electric supply to water
heater and disconnect switch, if used,
are in the ON position
Water temperature may be set too
low
See Setting the Water Temperature
Leaking or open hot water faucets
Make sure all faucets are closed
Electric service to your home may be
interrupted.
Contact the local electric utility
Improper wiring
Do not attempt to repair wiring. Call
for service
Manual reset limit (SP)
A tripped SP could mean there is a
serious issue with the water heater.
Call for service
Cold water inlet temperature may be
colder during winter months
This is normal. Colder inlet water
takes longer to heat
Water is too hot
Water temperature is set too high
See Setting the Water Temperature
For your safety,
DO NOT
attempt repair of electrical wiring, controls,
heating elements, or safety devices.
Refer repairs to qualified service
personnel.
Relief valve producing
popping noise or
draining
Pressure buildup caused by thermal
expansion to a closed system
This unacceptable condition must be
corrected.
Contact the water supplier or
plumbing contractor for service. Do
not plug the relief valve outlet
