Whirlpool 4 User Manual

Page of 24
17
*These instructions are brief and intended as guidance for a qualifi ed person. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.
Diagnostic Code Chart  
Energy Smart
®
 Module (ESM)
(ESM) ERROR CODE
INDICATES
CORRECTIVE ACTION*
    
E01
  with an alert Icon flashing.
Dry-fire, electrical power on with the tank not 
completely full of water.
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.
    
E02
  with an alert Icon flashing.
Water temperature exceeded high limit.
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.
    
E03
  with an alert Icon flashing.
Upper thermistor sensor failure.
(Note: Upper thermistor sensor is part of
  the ET)
1.  Turn off electrical power at the breaker.
2.  Replace Electronic Thermostat (ET).
3.  Turn on electrical power at breaker.
    
E04
  with an alert Icon flashing.
Upper element circuit failure.
(Note: Lower element is still operable)
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. 
    
E05
  with an alert Icon flashing.
Lower element circuit failure.
(Note: Upper element is still operable)
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.
    
E06
  with an alert Icon flashing.
Electronic Thermostat (ET) failure
(Internal processor).
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.
    
E07
  with an alert Icon flashing.
Lower thermistor sensor failure.
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.
    
E08
 with an alert Icon flashing.
Energy Smart
®
 Module (ESM)
failure.
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.
    
E09
  with an alert Icon flashing.
   E10
   E11
   E12
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).
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 Smart
®
 Module (ESM) being operated, 
see page 12.
If the instructions are not clear, contact a qualifi ed 
person.
°F/°C
GRID
ENABLED
VACATION
STANDARD
ENERGY
SMART
ALERT
Alert Icon
Error Code