Brand: MITSUBISHI ELECTRIC
Category: Air Conditioner
Document Type:
Language: EN
Manual for PURY-HP72 - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:58 p.m.
Manual Publish Date: 2014
Warranty Summary
Warranty information is not mentioned in this service handbook.
This Service Handbook provides comprehensive information for servicing MITSUBISHI ELECTRIC PURY-HP72, HP96T(Y)KMU-A(-H), PURY-HP144, and HP192T(Y)SKMU-A(-H) air conditioner models. It covers safety precautions, pre-servicing checks, restrictions, major components, electrical and wiring diagrams, control functions, test run procedures, and troubleshooting using error codes and observed symptoms. The handbook aims to guide qualified personnel in performing service and maintenance work effectively and safely.
Troubleshooting and error codes
| Error Code | Error (preliminary) detail code | Error code definition | Searched unit | Notes |
|---|---|---|---|---|
| 0403 | 4300 4305 | Serial communication error/Panel communication error | Outdoor unit, Indoor unit | (page 179) |
| 1102 | 1202 | Discharge temperature fault | Outdoor unit | (page 180) |
| 1301 | - | Low pressure fault | Outdoor unit | (page 181) |