Faulty Bp Unit Pcb - Daikin E-Series Service Manual

SiAU18-715
6.2

Faulty BP Unit PCB

E2
Remote
Controller
Display
Method of Check data from E²PROM
Malfunction
Detection
Malfunction When data could not be correctly received from the E²PROM
E²PROM : Type of nonvolatile memory. Maintains memory contents even when the power
Decision
supply is turned off.
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Defect of BP unit PCB
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Turn off the power once and
turn on again.
Return to normal?
NO
YES
Troubleshooting for BP Unit
External factor other than
malfunction (for example,
noise etc.).
Replace the BP unit PCB.
(Q0546)
351