Service Manual
Table Of Contents
- Cover
- Table of contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Refrigerant Circuit
- Part 5 Functions and Control
- Part 6 Test Operation and Field Settings
- Part 7 Remote Controller
- Part 8 Troubleshooting
- 1. Troubleshooting with LED
- 2. Service Diagnosis
- 3. Error Codes and Description
- 4. Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
- 5. Troubleshooting for FFQ Series
- 6. Troubleshooting for Branch Provider (BP) Unit
- 7. Troubleshooting for Outdoor Unit
- 8. Thermistor Resistance/Temperature Characteristics
- 9. Pressure Sensor
- 10. Method of Replacing Inverter’s Power Transistors Modules
- Part 9 Appendix
Troubleshooting for Outdoor Unit SiUS181631EA
226 Troubleshooting
7. Troubleshooting for Outdoor Unit
7.1 Outdoor Unit PCB Abnormality
Error Code
E1
Method of Error
Detection
Check data from EEPROM
Error Decision
Conditions
When data could not be correctly received from the EEPROM
EEPROM: Type of nonvolatile memory. Maintains memory contents even when the power supply is
turned off.
Supposed
Causes
Defective main PCB (A1P)
Troubleshooting
Turn the power off and then
on again.
Return to normal?
Could be other causes than
malfunction (for example,
noise etc.).
Replace the main PCB
(A1P).
(R22095)
NO
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.