Branch Provider (Bp) Unit Pcb Abnormality - Daikin RMXS-L Series Service Manual

Troubleshooting for Branch Provider (BP) Unit
6.2

Branch Provider (BP) Unit PCB Abnormality

E2
Error Code
Method of Error Check data from EEPROM
Detection
Error Decision When data could not be correctly received from the EEPROM
EEPROM : Type of nonvolatile memory. Maintains memory contents even when the power supply
Conditions
is turned off.
Supposed
Causes
Troubleshooting
Turn off the power once and
turn on again.
220
Defective BP unit PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
NO
Return to normal?
YES
SiUS181631EA
Replace the BP unit PCB.
Could be other causes
than malfunction (for
example, noise etc.).
(R22092)
Troubleshooting