Friedrich FPWC1

To Next Page

To Previous Page

94 PB

7 4. Trouble Diagnosis of Compressor

7 5. Trouble Diagnosis of Electric Filter Board

7 6.Trouble Diagnosis of Electric Communication

between 0vdc and 24vdc.

Replace indoor and outdoor control board if there aren’t any voltage fluctuations.

TROUBLESHOOTING

Diagnosis and Solutions

Main Page

Table of Contents2
Introduction4
Important Safety Information4
Personal Injury or Death Hazards6
Model Identification Guide8
Product Appearance9
Specifications11
Product Specifications Multi-Zone Wall-Mounted11
Product Specifications Multi-Zone-Cassette12
Product Specifications Multi-Zone Concealed Ducted13
Product Specifications 18K, 24K and 36K Outdoor Condensor14
Product Dimensions: Wall Mounted Indoor Units16
Product Dimensions: 9K, 12K, and 18K Ducted Indoor Units17
Product Dimensions: 9K and 12K Cassette18
Product Dimensions: 18K and 24K Cassette19
Product Dimensions: 24K Outdoor Units20
Product Dimensions: 36K Outdoor Units21
Product Dimensions: 42K Outdoor Units22
Electrical Requirements 24K, 36K, and 42K Outdoor Units33
Correction Factors35
Piping Length Factor Chart36
Operation38
Display Panel38
Using Sleep During Off-Timer Function41
Control Mode (Indoor Unit Mode Control)45
Outdoor Unit Control Mode46
Installation52
Leak Check, Evacuation, and Charging (Triple Evacuation)55
Checklist57
Field Settings (ESP Setting) Duct Type Only58
Field Settings (Indoor Unit Parameter Revision)59
Operation Test68
Cassette and Ducted Condensate Pump Drain Line68
Fresh Air Intake69
Maintenance70
Troubleshooting73
Normal Malfunctions73
Test the Jumper Terminals74
Protection Circuit Fault Isolation75
Compressor Fault Isolation76
Indoor Fault Codes76
Indoor Fault Code79
Outdoor Fault Codes80
18K Outdoor Drive Fault Codes90
24K, 36K, and 42K Outdoor Drive Fault Codes91
Diagnosis and Solutions93
E36 Error104
Blank Display/Indoor Unit Door Micro Switch106
R-410A Sealed System Repair109
Service Valves Appearance109
Pumping down109
Gas Charging (after Repair)111
Replace 18/24K Outdoor Unit Compressor and Motor112
Replace 36/ 42K Outdoor Unit Compressor and Motor113
Replace 9K and 12K Duct Type Unit Compressor and Motor114
Replace 18K Duct Type Unit Compressor and Motor115
Replace 9K, 12K, And18K Cassette Type Unit Compressor and Motor116
Replace 9K, 12K, And18K Cassette Type Unit Compressor and Motor117
Replace 24K and 36K Cassette Compesdsor and Motor Type Unit Compressor and Motor119
Components Testing120
Compressor120
Fan Motor121
EEV Stepper Coil122
Check Refrigerant System (Outdoor)123
Test System Flow (Outdoor)124
Check Fuse and Capacitor125
7K Indoor Wall Mount Printed Circuit Board126
Ducted 9,12, and 18K Ducted Indoor Units Control Board127
Ducted 24K and 9-24K Cassette Indoor Units Control Board128
18K Outdoor Main Printed Circuit Boards130
24K Outdoor Main Printed Circuit Board131
24K Outdoor Drive Printed Circuit Board132
36K/ 42K Outdoor Main Printed Circuit Board133
36K/ 42K Outdoor Drive Printed Circuit Board134
Wiring Diagrams135
7K Wall Units135
Ducted Indoor Units 9K, 12K, and 18K136
9K-36K Indoor Cassette Units137
18K Outdoor Units138
36K Outdoor Units140
42K Outdoor Units141
Appendix142
Reference Sheet of Celsius and Fahrenheit142
Pipe Expanding Method143
Resistance Table Coil and Room Sensor144
Resistance Table of Outdoor Compressor Temperature Sensor145
Interactive Parts Viewer147
Limited Warranty147
Friedrich Authorized Parts Depots148

Friedrich FPWC1 - Page 94

Table of Contents

Other manuals for Friedrich FPWC1

Related product manuals