Daikin Floor Standing Type F-Series User Manual

SiBE06-708_A Troubleshooting
Service Diagnosis 84
4.2 Indoor Unit PCB Abnormality
Remote
Controller
Display
A1
Method of
Malfunction
Detection
Evaluation of zero-cross detection of power supply by the indoor unit PCB.
Malfunction
Decision
Conditions
There is no zero-cross detection in approximately 10 seconds.
Supposed
Causes

Wrong models interconnected

Defective indoor unit PCB

Disconnection of connector
Troubleshooting
Note: Check the following connector.
Check the combination of the
indoor and outdoor unit.
OK?
Check the connection of
connectors (See Note.).
Correct the connection.
OK?
Error repeats?
YES
NO
NO
YES
NO
YES
(R11704)
Caution
* To secure the connection,
once disconnect the connector
and then reconnect it.
Match the compatible
models.
Replace the indoor unit
PCB (1).
Replace the indoor unit
PCB (1).
Completed.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Model Type Connector
Floor Standing Type Terminal board ~ Control PCB

Daikin Floor Standing Type F-Series Specifications

General

Brand	Daikin
Model	Floor Standing Type F-Series
Category	Air Conditioner
Language	English