Daikin GYEQ20AN Service Manual page 122

Troubleshooting the Outdoor Unit
displayed
outdoor
111
Indoor Unit system
Code
Run Inspection
on indicator Unit No.
lamp
unit
F6 Blinking Blinking Blinking
F7 Blinking Blinking Blinking
F9 Blinking Blinking Blinking
FH Blinking Blinking Blinking
FJ Blinking Blinking Blinking
H0 Blinking Blinking Blinking
H1 Blinking Blinking Blinking
H6 Blinking Blinking Blinking
J1 Blinking Blinking Blinking
J2 Blinking Blinking Blinking
J3 Blinking Blinking Blinking
J5 Blinking Blinking Blinking
J6 Blinking Blinking Blinking
J7 Blinking Blinking Blinking
J8 Blinking Blinking Blinking
J9 Blinking Blinking Blinking
JA On Off Blinking
JA Blinking Blinking Blinking
JH Blinking Blinking Blinking
JJ Blinking Blinking Blinking
JF Blinking Blinking Blinking
L1 Blinking Blinking Blinking
On
L8 On
Off
On
L8 On Blinking
Off
LE Blinking Blinking Blinking
LF Blinking Blinking Blinking
On
— Blinking Blinking
Off
On
— Blinking Blinking
Off
On
— Blinking Blinking
Off
On
— Blinking Blinking
Off
P0 Blinking Blinking Blinking
P3 Blinking Blinking Blinking
U2 Blinking Blinking Blinking
U3 Blinking Blinking Blinking
U4 Blinking Blinking Blinking
— Blinking Blinking Blinking
— Blinking Blinking Blinking
— Blinking Blinking
Code
displayed
on
remote
controller
Discharge Temperature Sensor Disconnected /
F6
Shorted
F7 Abnormal Engine Room Temperature
F9 Short of Refrigerant
FH Compressor Oil Detected Too Low
FJ Abnormal High-Side Differential Pressure
H0 Misfire Detected
H1 Clutch Failure
H6 Indoor Unit Electronic Expansion Valve Failure
J1 Air-Fuel Ratio Controller Failure
Intake Air Temperature Sensor 1 Disconnected /
J2
Shorted
Outdoor Air Temperature Sensor Disconnected /
J3
Shorted
J5 Outdoor Unit Electronic Expansion Valve Failure
J6 Oil Return Solenoid Valve Failure
J7 High-Side Pressure Sensor System Failure
J8 Exhaust Temperature Sensor Disconnected
J9 Low Pressure Side Sensor Disconnected / Shorted
Compressor Automatic Emergency Run (during
JA
continued running)
JA Compressor Automatic Emergency Run
JH Pressure Sensor Failure
JJ Oil Temperature Sensor Disconnected / Shorted
JF Receiver Temperature Sensor System Failure
L1 Abnormal Exhaust Temperature
Periodic Inspection Reminder (Note: This is not an
error message)
Off Off
In the case of 200 or less hours remaining before the
next periodic inspection
Periodic Inspection Reminder (Note: This is not an
L8 error message)
In case the next periodic inspection time has passed
LE Starter Relay Failure
LF BS Unit Circuit Switch Failure
M1 Centralized Controller P Board Failure
M8 Transmission Failure between Centralized Controllers
MA Centralized Controller Mismatch
MC Centralized Controller Address Incorrect
P0 Too Many Indoor Units Connected
P3 Total Indoor Unit Capacity Too Large
Inter-CPU Communication Failure / Software
U2
Mismatch / ROM Abnormal
U3 Inter-Unit Communication Failure
U4 Outdoor/Indoor Unit Transmission Failure
Transmission Failure between Remote Control and
U5
Indoor Units
U7 External Control Adaptor Failure
Transmission Failure between Master and Slave
Off U8 Remote Control Units (Slave Remote Control Unit
Failure)
SiAUY361411EA
Error
Troubleshooting