Troubleshooting For Sa Indoor Unit; Indoor Unit Pcb Abnormality - Daikin Super multi NX E Series Service Manual

SiBE121135_A

6. Troubleshooting for SA Indoor Unit

6.1

Indoor Unit PCB Abnormality

A1
Error Code
Method of Error The system checks the data from EEPROM.
Detection
Error Decision
The data could not be correctly received from the EEPROM.
Conditions EEPROM : Type of nonvolatile memory. Maintains memory contents even when the power
supply is turned off.
Supposed
Causes
Troubleshooting
Service Diagnosis
External factor (noise etc.)
Defective indoor unit PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Turn the power supply off
once and then back on.
Return to normal?
NO
YES

Troubleshooting for SA Indoor Unit

Could be other causes
(noise, etc.) than
malfunction.
Replace the indoor unit
PCB.
(R15319)
184