Haier EK Series, Руководство по обслуживанию

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7.Codes and Description
7.1.Problem Symptoms and Measures
Symptom Check Item Details of Measure
None of the units
operates
Check the power supply.
Check to make sure that the rated voltage is
supplied.
Check the indoor PCB Check to make sure that the indoor PCB is broken
Equipment
operates but does
not cool, or does
not heat (only for
heat pump)
Diagnosis by service
port pressure and
operating current.
Check for insufficient gas.
Large operating
noise and
vibrations
Check the installation
condition.
Check to make sure that the required spaces for
installation (specified in the Technical Guide, etc.) are
provided.
7.2 Error Codes and Description indoor display
Code indication
Description
Reference
Page
indoor
Indoor Malfunction
E1 Room temperature sensor failure 32
E2 Heat-exchange sensor failure 32
E4 Indoor EEPROM error 33
E14 Indoor fan motor malfunction 34
The code indication that is listed above is the main fault
Troubleshooting
Caution
˖
Be sure to turn off power switch before connect or disconnect connector, or else parts damage
may be occurred.
E1: Room temperature sensor failure CN6
E2: Heat-exchange sensor failure CN6
+68 18HEK03
32
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