Daikin RZQ100B8V3B Service Manual page 208

Error Codes: Outdoor Units
1
Troubleshooting
3 3
4
5
Caution
3–60
Check the installation
conditions.
Is the
stop valve open?
YES
Are
control and
protection HPS
connected to outdoor unit
PC board?
(Note)
YES
Turn off the power supply.
Wait for 10 minutes after
compressor stops operating,
then check the following.
Is
there
continuity in
control and
protection
HPS?
YES
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
NO
NO
NO
Check 5.7
Is high pressure
abnormally high?
NO
Set the remote controller and
turn on again.
Is the
malfunction code of "H3"
displayed?
NO
Open the stop valve.
Connect correctly.
Replace HPS with no
continuity.
YES
Correct the high pressure.
YES
Replace the high pressure
switch (HPS).
Replace the outdoor unit
PC board.
Part 3 – Troubleshooting
ESIE05-03