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Air Conditioner
2U14CS4ERA
Haier N Series Service Manual
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Haier N Series Service Manual
Also see for 2U14CS4ERA:
Installation manual
Table of content
Contents
Table Of Contents
Introduction
cautions regarding products after repair
inspection after repair
using icons
Specifications
Sensors list
Operation range
Printed Circuit Board Connector Wiring Diagram
Functions and Control
value of thermistor
Dimensional drawings
Installations
Service Diagnosis
problem symptoms and measures
error codes and description indoor display
thermistor or related abnormality
eeprom abnormal
outdoor dc fan motor fault
ipm protection
the communication fault between ipm and outdoor pcb
power supply over or under voltage fault
overheat protection for discharge temperature
the communication fault between indoor and outdoor
performance curves diagram
cooling suction pressure curves
heating discharge pressure curves
heating suction pressure curves
Sound level
Circuit diagrams
removal procedure
Loosen the top
panel screws
1
2
Lift the top panel
Removal Procedure
2
Domestic Air Conditioner
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2U14CS4ERA
N-Series
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