Troubleshooting; Error Code Indication - Daikin VAM 350GJVE Service Manual

Troubleshooting

1. Troubleshooting

1.1

Error Code Indication

When an abnormality is generated, take necessary measures by referring to displayed error code.
After the cause of abnormality is removed, operate equipment and check proper functioning.
List of malfunction codes displayed by LCD remote controller
LCD Remote Controller Display
Error Code Operation
In case of the malfunction with the shaded error code, the unit still operates. However, be sure to have it
inspected and repaired and as soon as possible.
Main Unit PCB
36
Inspection indication
Error code
Inspection
LED Indication
ON OFF
60
Blinking Blinking
ON OFF
64
ON OFF
65
6A ON OFF
Blinking Blinking
6A
Blinking Blinking
U5
OFF Blinking
U5
OFF Blinking
U8
OFF Blinking
UA
UC ON ON
UE Blinking Blinking
CN1
L N
CN7
Supply
air fan
Indication of unit No. of abnormal
heat reclaim ventilation unit
Description of Abnormality
Unit No.
Blinking Overall alarm
Blinking Overall malfunction
Blinking Inside air thermistor error
Blinking Outside air thermistor error
Blinking Damper system alarm
Blinking Damper system + thermistor error
Blinking Data transmission error between LCD remote
controller and main unit
OFF LCD remote controller connection error
OFF Data transmission error between master-slave
LCD remote controllers
OFF LCD remote controller connection error (no
remote controller for air conditioner in air
conditioner group)
ON Overlapping central control address
Blinking Transmission error between the unit and
centralized controller
CN2 CN3 CN4
Exhaust
air fan
(Microcomputor Operation Monitor)
P2 P1 F1 F2 J1 J2 JC
Operation lamp
(LED)
(HL027)
LED A
(HL031)
Troubleshooting
Si71-502
Page
P37
P38
P39
P40
P41
P42
P44
P45
P46
P47
P48
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