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20 • Residen al Electric Water Heater Use and Care Guide
TROUBLESHOOTING
(ET)
DIAGNOSTIC
LED
INDICATES CORRECTIVE ACTION*
9, 10, 11 or 12 FLASHES
(Red)
Electronic Thermostat (ET) error 1. Turn off electrical power.
2. Check wiring at Electronic Thermostat (ET) for damage.
3. Turn on electrical power at breaker.
4. If this code flashes condition continues, replace the Electronic
Thermostat (ET).
*These instructions are brief and intended as guidance for a qualifi ed person. If you lack the necessary
skills to perform these procedures call 1-800-365-4054 for assistance.
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