Main Pcb; Checking Procedures - Daikin RXTA30B2V1B Service Manual

4 | Components

4.14 Main PCB

4.14.1 Checking procedures

To perform a power check of the main PCB
Service manual
126
a Intelligent thermal sensor assembly
5 Fix the wiring harness using new tie straps (if needed).
Is the problem solved?
Yes
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Turn ON the power of the unit.
2 Measure the voltage between the black and white wires.
Result: The measured voltage MUST be 230 V AC.
a
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"4.17 Plate
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
4
work" [ 144].
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02