Diagnostic Code Chart - Whirlpool energysmart Residential Electric Water Heater Installation And Use Manual

Diagnostic Code Chart
Energy Smart ® Module (ESM)
IMPORTANT: Before attempting to adjust the ther-
mostat, read the "Water Temperature Regulation"
section page 10.
The Electronic Thermostat (ET) is designed so
that it may control the water heater without the
Energy SmarP Module (ESM) being operated,
see page 12.
If the instructions are not clear, contact a qualified
service technician.
Error Code --
(
ENERGY STANDARD VACATION GR_O
SMART E.AB[ED
I EI !
U.F q
Alert Icon
(ESM) ERROR CODE
E01
with an alert Icon flashing.
E02
with an alert Icon flashing.
E03
with an alert Icon flashing.
E04
with an alert Icon flashing.
E05
with an alert Icon flashing.
E06
with an alert Icon flashing.
E07
with an alert Icon flashing.
E08
with an alert Icon flashing.
E09
with an alert Icon flashing.
El0
Ell
E12
INDICATES
Dry-fire, electrical power on with the tank not
completely full of water.
Water temperature exceeded high limit.
Upper thermistor sensor failure.
(Note: Upper thermistor sensor is part of
the ET)
Upper element circuit failure.
(Note: Lower element is still operable)
Lower element circuit failure.
(Note: Upper element is still operable)
Electronic Thermostat (ET) failure
(Internal processor).
Lower thermistor sensor failure.
®
Energy Smart Module(ESM)
failure.
Electronic Thermostat (ET) error.
CORRECTIVE ACTION*
1. Turn off electrical power at breaker, add water.
2. Turn on electrical power at breaker.
3. See "Water Heater Start-Up" on page 10.
1. Turn off electrical power at the breaker.
2. Press the reset button (see Figure 10A).
3. Turn on electrical power at breaker.
4. If error returns call a service technician for assistance.
1. Turn off electrical power at the breaker.
2. Replace Electronic Thermostat (ET).
3. Turn on electrical power at breaker.
1. Turn off electrical power at the breaker.
2. Check element circuits for resistance of 5-25 ohms (replace if required).
3. Check wires at elements and Electronic Thermostat (ET) for damage.
If this 4 flashes condition continues, replace Electronic Thermostat (ET).
4. Turn on electrical power at breaker.
1. Turn off electrical power at the breaker.
2. Check element circuits for resistance of 5-25 ohms (replace if required).
3. Check wires at elements and Electronic Thermostat (ET) for damage.
If this 5 flashes condition continues, replace Electronic Thermostat (ET).
4. Turn on electrical power at breaker.
1. Turn off electrical power at the breaker. Now turn on electrical power to
see if error clears. If error has not cleared, replace Electronic Thermo-
stat (ET).
2. Turn on electrical power at breaker.
1. Turn off electrical power at the breaker.
2. Check electrical connections at Electronic Thermostat (ET).
3. Replace Lower Thermistor Sensor.
4. Turn on electrical power at breaker.
1. Turn off electrical power.
2. Check wires at the interface module for damage.
3. If this 8 flashes condition continues, replace module (ESM).
4. See "Overriding The Interface Module (ESM)" by unplugging from the
Electronic Thermostat (ET) on page 12. NOTE: Electronic Thermostat
(ET) will continue to be operate, hot water will still be available.
5. Turn on electrical power at breaker.
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 qualified service technician. If you lack the necessary
skills to perform these procedures call 1-800-999-9515 for assistance.
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