Manual for PURY-HP72 - Troubleshooting and error codes + PDF Download

Manual for PURY-HP72 - Troubleshooting and error codes + PDF Download

Brand: MITSUBISHI ELECTRIC

Category: Air Conditioner

Manual Type:

Language:

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)

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)