Installation Condition Check - Daikin BA-Series Service Manual

Check
RK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1B, RXS35L2V1B
1. Check that the 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 -
5.9

Installation Condition Check

Check No.17
105
12, 10 - 13, when the fan motor is manually rotated once.
13
12
11
10
9
8
7
6
5
4
3
2
1

Installation condition check

Check the allowable
dimensions of the air
suction and
discharge area.
OK
Is the discharged air
short-circuited?
NO
Is the outdoor heat
exchanger very dirty?
NO
Is the airflow blocked by
obstacles or winds
blowing in the opposite
direction?
YES
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
NG
YES
YES
NO
SiBE05-722ED
(R19663)
Change the installation
location or direction.
Change the installation
location or direction.
Clean the outdoor heat
exchanger.
Check the outdoor
temperature. (The outdoor
temperature should be
within the operation range.)
Change the installation location
or direction.
(R19401)
Service Diagnosis