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Carrier 38QHC012ESWP User Manual

Carrier 38QHC012ESWP
48 pages
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Service Manual
15C Inverter
XPOWER BLUE / XPOWER SAFIRUS
This manual apply to the models below:
42KHC009DS/38KHC009DSP
42KHC012DS/38KHC012DSP
42KHC018DS/38KHC018DSP
42KHC024DS/38KHC024DSP
42QHC009ESW/ 38QHC009ESWP
42QHC012ESW/ 38QHC012ESWP
42QHC018DSW/38QHC018DSWP
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Carrier 38QHC012ESWP Specifications

General IconGeneral
BrandCarrier
Model38QHC012ESWP
CategoryAir Conditioner
LanguageEnglish

Summary

Precautionary Measures

Safety Precautions

General safety measures to prevent injury and property damage during operation and maintenance.

Critical Warnings

Critical warnings regarding installation, electrical safety, and proper usage to avoid hazards.

Wiring Diagrams

Installation Details and Procedures

Main Protection Features

Compressor Protection Mechanisms

Covers restart delay, top/discharge temperature, and preheating for compressor safety.

Refrigerant Leakage Detection

System feature that detects refrigerant leakage to prevent compressor damage.

Operation Modes and Functions

Troubleshooting Guide

Indoor Unit Error Display Codes

Table detailing error codes displayed on the indoor unit and their meanings.

EEPROM Parameter Error (E0/F4)

Diagnosis and solution for EEPROM parameter errors, including PCB replacement.

Indoor/Outdoor Communication Error (E1)

Troubleshooting steps for communication failures between indoor and outdoor units.

Fan Speed Control Error (E3)

Diagnosis and solutions for issues related to indoor fan speed being out of control.

Refrigerant Leakage Detection (EC)

Procedure to diagnose and resolve refrigerant leakage detection errors.

Temperature Sensor Errors (E4/E5/F1/F2/F3)

Troubleshooting for open or short circuits in various temperature sensors.

Main Parts Check

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