Repair Procedures; Refrigerant Pressure Sensor; Checking Procedures - Daikin EBLA04E V Series Service Manual

4 | Components

4.17.2 Repair procedures

4.18 Refrigerant pressure sensor

4.18.1 Checking procedures

To perform an electrical check of the refrigerant pressure sensor
Service manual
212
draft – 31/05/2022 15:53
c
e e
a L803
b L804
c L903
d Measuring point
e Measuring point
Is the inductance measurement
correct?
Yes
No
As the reactors are part of the main PCB, replace the complete main PCB. See
4
"4.14 Main PCB" [ 184].
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 Connect a pressure gauge to the gas service port. Read the pressure.
3 Using the graphic below, determine the expected sensor output voltage based
on the pressure obtained in the previous step.
d d
d b e e d a
Action
Return to the troubleshooting of the
specific error and continue with the
next step.
Replace the reactor, see
procedures" [
e
e
d
d
"4.17.2 Repair
4
212].
4
"4.16 Plate work" [ 202].
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05