Rotation Pulse Check On The Outdoor Unit Pcb - Daikin FTXS20K2V1B Service Manual

Check
5.8

Rotation Pulse Check on the Outdoor Unit PCB

Check No.16 1. Check that the control voltage between the pins 10 - 11 is 15 VDC.
2. Check if the Hall IC generates the rotation pulse (0 ~ 15 VDC) 4 times between the pins 10 -
100
12, 10 - 13, when the fan motor is manually rotated once.
13
12
11
10
9
8
7
6
5
4
3
2
1
S70
HV (Hall IC)
HU (Hall IC)
Control voltage 15 VDC
Free pin
Free pin
Phase W
Free pin
Free pin
Phase V
Free pin
Free pin
Phase U
SiBE041134EB
(R19957)
Service Diagnosis