Brand: MITSUBISHI ELECTRIC
Category: Air Conditioner
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for OBH548
Uploaded: Nov. 21, 2025, 7:53 p.m.
Manual Publish Date: 2014-10-01
Warranty Information
This manual details service procedures and specifications for Mitsubishi Electric air conditioners.
The manual provides detailed service instructions for Mitsubishi Electric Split-Type Air Conditioners, covering models MSZ-GE and MSY-GE series. It includes technical changes, part names and functions, specifications, outlines and dimensions, wiring diagrams, refrigerant system diagrams, service functions, microprocessor control, troubleshooting, and disassembly instructions. Key operations detailed are COOL, DRY, HEAT, FAN, ECONO COOL, SMART SET, and AUTO CHANGE OVER modes, as well as vane operation and timer functions.
Troubleshooting and error codes
| Indication | Operation state | Room temperature | |
|---|---|---|---|
| ⚫ | The unit is operating to reach the set temperature | About 4°F(2°C) or more away from set tempera- ture | Lighted |
| ⚫ | The room temperature is approaching the set tem- perature | About 2 to 4°F(1 to 2°C) from set temperature | Blinking |
| ○ | Standby mode (Only during multi system operation) | — | Not lighted |