Daikin FTKS35CVMB(9)(8) - Troubleshooting; Error Codes and Description

SiENBE04-512A Troubleshooting
Service Diagnosis 101
4. Troubleshooting
4.1 Error Codes and Description
H: Displayed only when system-down occurs.
Code Indication Description
Reference
Page
System
00
Normal
—
U0H
Insufficient gas
127
U2
Over-voltage detection
129
U4
Signal transmission error (between indoor and outdoor unit)
107
Indoor
Unit
A1
Indoor unit PCB abnormality
102
A5
Freeze-up protection control or high pressure control
103
A6
Fan motor or related abnormality
105
C4
Heat exchanger temperature thermistor abnormality
106
C9
Room temperature thermistor abnormality
106
Outdoor
Unit
E5H
OL activation (compressor overload)
108
E6H
Compressor lock
109
E7
DC fan lock
110
E8
Input over current detection
111
EA
Four way valve abnormality
112
F3
Discharge pipe temperature control
114
F6
High pressure control in cooling
115
H6
Position sensor abnormality
117
H8
DC voltage/current sensor abnormality
118
H9
Outdoor air thermistor or related abnormality
119
J3
Discharge pipe temperature thermistor or related abnormality
119
J6
Heat exchanger temperature thermistor or related abnormality
119
L3
Electrical box temperature rise
121
L4
Radiation fin temperature rise
123
L5
Output over current detection
125
P4
Heat radiation fin thermistor or related abnormality
119
SiENBE04-512A.book Page 101 Friday, October 5, 2007 1:49 PM