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Haier CANDY CSS4 1272D3/1-S Technical Notes page 5

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ERROR CODE
E15
E17
E20
E21
E22
Thank you for your attention.
D.R.
Any change or alteration whatsoever of this document is formally prohibited except with the previous consent of the issuer.
TRIPHASE Cuore Electric Module – GEN3
MOST PROBABLE REASON FOR THE ERROR CODE & SUGGESTED CHECK
Cause 1: Eeprom corrupted – not programmed Electric Module – Cuore Electric
Module defective
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Cause 2: Only in the early production, E15 could be shown incorrectly even if
the NTC wash sensor is open or shorted. Before inputting the defect to the
Electric Module check the appropriate tests are carried out on the NTC
sensor which is integrated on the wash heater.
Wrong signal from Tacho. Check both wiring and electrical connections, check
the ohmic value on the Tacho (Also see E07)
(do use a multimeter to test the wiring). Visually check the cuore Electric
Module (tracks burned, water traces etc.)
IMPORTANT: in case of water traces appropriate controls are required on the
entire washing machine's hydraulic circuit.
Cause 1: Difficult reading the water level: potentially defective APS Pressostat
generates a wrong frequency value. Check the connection with the air trap.
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Cause 2: Be aware, E20 may also be displayed due to problems with water
drainage failure; as a foreign body may be present in the drain pump impeller,
clogged filter, plumbing partially obstructed, bent drain tube. Generally,
before replacing the APS device it is better check that the appliance is draining
correctly.
Unable to read water level: Check wiring and connection on the APS Pressostat
or Cuore Electric Module. Defective APS Pressostat.
Troubles with water heating:
Module are defective.
1. Check that the wash heater wiring is not interrupted measure continuity with
the multimeter.
2. Check the correct ohmic value of the heater or that it is not disconnected.
3. Check that the heating command is not defective. (Active the test routine
procedure and be sure that the heating absorption is correct).
©
2019 – HAIER EUROPE SERVICE ITALIA
also
check if the magnet is present
Wiring or Water Heater or "Cuore" Electric
Candy Hoover Service Italia
Service Quality
5

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