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Residen al Hybrid Electric Heat Pump Water Heater Use and Care Guide
TR
OUBLE
SHOO
TING
DISPLAY SHOWS
INDICATES
CORRECTIVE ACTION
- -- --- (series of dashes)
Unit is doing a system
diagnostic.
Normal operation--no action
ICE
Heat pump is in defrosting
cycle.
HPO
Ambient temperature <45°F
or >120°F, average tank
temperature of 59°F or less.
*
EUC
Upper element is not
functioning
Refer to “Element Testing and Replacment” pages 25 & 30.
ELC
Lower element is not
functioning
Refer to “Element Testing and Replacement” pages 25 & 30.
SF
The air filter is dirty.
Refer to “Air Filter Maintenance” page 33.
*
ECF
The heat pump compressor is
starting/stopping frequently.
1. If compressor is running and fan is not operating, call
Sears Parts & Repair Service Canter at 1-800-488-1222
for further assistance.
2. Clean the air filter. See “Air Filter Maintenance” section
on page 33.
3. Check installation location against recommended
confined space requirements (step 2, pages 10 & 11).
*
E20 or E21
Upper Temperature Sensor is
not functioning.
Power off (Power Cycling the unit, page 28), disconnect and
reconnect J2 and J5 connections from control board, inspect
wire for damage, re-install UIM, reconnect power. If error
persists, replace temperature sensor.
E30 or E31
Lower Temperature Sensor is not
functioning.
E50 or E51
Heat Pump Suction Temperature
Sensor is not functioning.
E10 or E11
Heat Pump Coil Temperature
Sensor is not functioning.
E40 or E41
Heat Pump Discharge
Temperature Sensor is not
functioning.
*
E60
Upper and Lower Temperature
Sensor are not functioning
*
Edr
Not enough water in the tank
(tank not full).
Open all hot water taps in home and run until water
(uninterrupted) flows from all open hot water taps.
EPL
Power supply voltage is too low.
Call Sears Parts & Repair Service Center at 1-800-488-1222
for further assistance.
*
EDH
Compressor Discharge
Temperature is too high.
Call Sears Parts & Repair Service Center at 1-800-488-1222
for further assistance.
NOTE:
The diagnostic codes listed above are the most common. If a diagnostic code not listed above is displayed, call Sears Parts
& Repair Service Center at 1-800-488-1222 for further assistance.
*
There may be an audible alarm associated with this error. To cancel the audible alarm, press any bu on on the UIM.
DIAGNOSTIC CODES
WARNING! Electric Shock Hazard; Disconnect power before servicing. Do not remove the plac c guard from over wiring. Do not
touch electrical wiring. Failure to do so can result in death or electrical shock.
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