Daikin VRV S RXQ4/5ARV1, Service Manual

Page: 223 / 377

SiAF332111E Troubleshooting by Error Code
Part 6 Service Diagnosis 217
5.14 Transmission Error
Applicable
Models
FXFSQ-AR
Error Code
C1-01
Method of Error
Detection
Check the condition of transmission using microcomputer.
Error Decision
Conditions
Error is decided when transmission has been lost for 15 seconds and the error code is
displayed on the remote controller 60 seconds later.
Supposed
Causes
 Defective connection of the transmission connector (X70A)
 Defective indoor unit control PCB
 External factor such as noise
Troubleshooting
Check the indoor unit control
PCB (A1P).
Connect the connector correctly.
NO
YES
YES
Is the
connector X70A on the
indoor unit control PCB
connected correctly?
NO
Remove the external factor.
YES
Is there any
external factor such as
noise other than failure?
Normal.
NO
Error is displayed again.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Turn OFF the power supply and
then turn it ON again. Then, start
operation with remote controller.