Troubleshooting - Whirlpool Residential Electric Water Heater Installation Instructions And Use & Care Manual

TROUBLESHOOTING

PROBLEM
NO HOT WATER
(page 18)
INSUFFICIENT HOT WATER
(page 19)
SLOW HOT WATER RECOVERY
(page 19)
TEMPERATURE TOO HIGH
(page 20)
LOW WATER PRESSURE (page 20) • Par ally closed supply valve.
DRIPS FROM T&P RELIEF VALVE
(page 20)
WATER ODOR (page 20)
POSSIBLE CAUSE(S)
See explana ons on the following pages.
• No power to water heater
• Burned out upper hea ng element (Dry Fired)
• Energy Cut Off Switch tripped
• Faulty Thermosta c Mixing Valve
• Non-Func oning upper thermostat
• Leak in plumbing system
• Thermostats set too low
• Non-Func oning lower hea ng element
• Water heater's capacity too small (or usage too high)
• Thermosta c Mixing Valve faulty/set too low
• Non-Func oning lower thermostat
• Hot and cold pipe connec ons reversed
• Leak in plumbing system
• Melted dip tube
• Low supply voltage
• Malfunc oning lower hea ng element
• Non-func oning thermostat
• Grounded/shorted hea ng element
• Thermosta c Mixing Valve faulty/set too high
• Excessive water pressure
• Thermal expansion
• Debris under valve seat
• Bacteria in the water
CORRECTIVE ACTION
Check for blown fuses or tripped circuit breaker.
Check for power.
Replace upper hea ng element.
See page 19, step 5.
Check hot water at other faucets.
Check/replace upper thermostat. (See page 23)
Check hot water side of home's plumbing system
for leaks.
Set thermostats to desired temperature.
See page 15.
Replace lower hea ng element. (See page 22)
Install adequately sized water heater
(or reduce usage).
Check hot water at other faucets.
Replace lower thermostat. (See page 23)
Correct piping.
Check hot water side of home's plumbing system
for leaks.
Check/replace dip tube.
Check power (voltage).
Check lower element and replace if burned out.
(See page 22)
Replace thermostat. (See page 23)
Replace hea ng element. (See page 22)
Check hot water at other faucets.
See Low Water Pressure sec on on page 20.
Use Pressure Reducing Valve set to 50-60 psi.
Install a Thermal Expansion Tank.
See page 20.
See Water Odor sec on on page 20.
Residen al Electric Water Heater Use and Care Guide • 17