Daikin Floor Standing Type F-Series User Manual

SiBE06-708_A Troubleshooting
Service Diagnosis 92
4.8 Outdoor Unit PCB Abnormality
4.8.1 25/35 Class
Remote
Controller
Display
E1
Method of
Malfunction
Detection

The system follows the microprocessor program as specified.

The system checks to see if the zero-cross signal comes in properly.
Malfunction
Decision
Conditions

The microprocessor program runs out of control.

The zero-cross signal is not detected.
Supposed
Causes

Defective outdoor unit PCB

Broken harness between PCBs

Noise

Momentary fall of voltage

Momentary power failure, etc.
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
YES
YES
(R12161)
YES
NO
NO
Replace the outdoor unit
PCB.
Ground the system.
Zero-cross signal
abnormality.
Replace the outdoor unit
PCB (1).
Replace the harness.
Check to see if the outdoor unit is
grounded.
Is LED A blinking?
Grounded?
Is the harness
broken?
Turn on the power again.
∗ Before you check the LED A,
cancel the standby electricity
saving function by operating
fan operation with the remote
controller.
∗ Wait at least for 7 sec. after
turning on the power.

Daikin Floor Standing Type F-Series Specifications

General

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