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DIY E Star Series
MrCool DIY E Star Series Troubleshooting Guide
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Due to updates and constantly improving performance, the information and instructions
within this manual are subject to change without notice. Please visit
www.mrcool.com/documentation to ensure you have the latest version of this manual.
Version Date: 10-22-21
Troubleshooting &
Solutions Guide
DIY
®
E Star™
4th Generation
Series
2
Table of Contents
Table of Contents
2
Safety Caution
4
General Troubleshooting
5
Complain Record Form
7
Information Inquiry
9
Error Diagnosis and Troubleshooting Without Error Code
12
Remote Maintenance
12
Field Maintenance
13
Quick Maintenance by Error Code
18
Troubleshooting by Error Code
19
EH 00 / EC 51 (EEPROM Parameter Error Diagnosis and Solution)
19
EL 01 (Indoor and Outdoor Unit Communication Error Diag. and Solution)
20
EH 02 (Zero-Crossing Detection Error Diagnosis and Solution)
22
EH 03 / EC 07 (Fan Speed Is Operating Outside of the Normal Range Diagnosis and Solution)
23
EH 60/EH 61/EC 53/EC 52/EC 54/EC 56 (Open Circuit or Short Circuit of Temperature Sensor Diagnosis and Solution)
26
EH 0B (Indoor PCB / Display Board Communication Error Diagnosis and Solution)
27
EL 0C (Refrigerant Leakage Detection Diagnosis and Solution)
28
PC 08 (Overload Current Protection Diagnosis and Solution)
29
PC 00(IPM Malfunction or IGBT Over-Strong Current Protection Diagnosis and Solution)
30
PC 01 (over Voltage or too Low Voltage Protection Diag. and Solution)
31
PC 02(High Temperature Protection of IPM Module or High Pressure Protection Diagnosis and Solution)
32
PC 04(Inverter Compressor Drive Error Diagnosis and Solution)
34
PC 03(Low Pressure Protection Diagnosis and Solution)
35
Check Procedures
37
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Owners & Installation Manual
41 pages
Quick Start Setup Guide
6 pages
5
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MrCool DIY E Star Series Specifications
General
Brand
MrCool
Model
DIY E Star Series
Category
Air Conditioner
Language
English
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