Brand: SANYO
Category: Air Conditioner
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for C4272R
Uploaded: Nov. 21, 2025, 9:23 p.m.
Manual Publish Date: 2007-05
Warranty Information
Refer to the instruction manual and warranty certificate provided with the unit for warranty details.
Operation Summary
This manual provides technical data and service information for SANYO Split System Air Conditioners. It covers unit specifications, electrical data, service procedures, outdoor unit maintenance, and test run procedures. Key sections include detailed specifications for various indoor and outdoor unit models, troubleshooting tables, and wiring diagrams. It also outlines precautions for installation, wiring, and servicing to ensure safe and efficient operation.
Troubleshooting and error codes
| Wired remote controller display | Indoor unit receiver lamp | Cause | Correction |
|---|---|---|---|
| Nothing is displayed | Nothing is displayed | • Remote controller is not connected correctly. • Indoor unit power is not ON. |
Connect the remote controller correctly. Turn ON the indoor unit power. |
| E 01 displayed | • Inter-unit control wiring is cut or is not connected correctly. • Remote controller is not connected correctly (remote controller receiving failure). |
Check the remote controller and inter-unit control wiring. Connect the remote controller correctly. |
|
| E 02 displayed | Operating lamp is blinking. | • Automatic address setting has not been completed. • Remote controller is not connected correctly (remote controller receiving failure). |
Perform automatic address setting. Connect the remote controller correctly. |
| E 09 displayed | • Inter-unit control wiring is cut or is not connected correctly. | Check the remote controller and inter-unit control wiring. | |
| E 14 displayed | • Remote controller is not connected correctly (remote controller receiving failure). | Connect the remote controller correctly. | |
| E 04 displayed | • Indoor-outdoor inter-unit wiring is not connected correctly. | Connect the wiring correctly. | |
| E 06 displayed | Standby lamp is blinking. | • Indoor-outdoor inter-unit wiring is cut or is not connected correctly. | Connect the wiring correctly. |
| E 15 displayed | Indoor unit capacity is too low. | Check that the total capacities of the indoor and outdoor units are appropriate. | |
| E 16 displayed | Indoor unit capacity is too high. | Check that the total capacities of the indoor and outdoor units are appropriate. | |
| E 20 displayed | Operation lamp and Standby lamp are blinking alternately. | • No serial signal is being received at all from the indoor units. • Reversed phase or open phase in the outdoor unit 3-phase power. |
Check that the indoor unit power is ON, and that the inter-unit control wiring is connected correctly. Reverse 2 phases of the outdoor unit 3-phase power and connect them correctly. |
| P05 displayed | Both the Operation lamp and Standby lamp are blinking together. | • Inter-unit circuit or open phase in the outdoor unit power 3-phase power at one of the outdoor units in the group. |
Reverse 2 phases of the outdoor unit 3-phase power and connect them correctly. |
| L02 displayed | • Reversed phase or open phase in the outdoor unit 3-phase power. | Reverse 2 phases of the outdoor unit 3-phase power and connect them correctly. | |
| L07 displayed | Indoor-outdoor unit type mismatch | Check that the indoor and outdoor unit types are correct. | |
| P09 displayed | Timer lamp and Standby lamp are blinking alternately. | • Ceiling panel connector at one of the indoor units in the group is not connected correctly. | Connect the indoor unit ceiling panel connector correctly. |