Daikin R407C PLUS - Page 165

Troubleshooting by Remote Controller Si33-105
154 Troubleshooting R407C PLUS Series Heat Recovery System
Malfunction
code
Operation
lamp
Inspection
display
Unit No. Malfunction contents
Page
Refered
Indoor
Unit
A0 999Error of external protection device 157
A1 999PC board defect 158
A1 879PC board defect 158
A3 999Malfunction of drain level control system (33H) 159
A6 999Fan motor lock 160
A7 879Malfunction of swing flap motor (M1S) 161
A9 999Malfunction of moving part of electronic expansion
valve (Y1E)
162
AF 879Drain level above limit 163
AH 999Malfunction of air filter maintenance —
AJ 999Malfunction of capacity determination device 164
C4 999Malfunction of thermistor (R2T) for liquid pipe (loose
connection, disconnection, short circuit, failure)
165
C5 999Malfunction of thermistor (R3T) for gas pipes (loose
connection, disconnection, short circuit, failure)
166
C9 999Malfunction of thermistor (R1T) for air inlet (loose
connection, disconnection, short circuit, failure)
167
CJ 888Malfunction of thermostat sensor in remote controller 168
Outdoor
Unit
E0 999Actuation of safety device 169
E1 999PC board defect 170
E1 879PC board defect 170
E3 999Actuation of high pressure switch 171
E4 999Actuation of low pressure sensor 172
E9 999Malfunction of moving part of electronic expansion
valve (Y1E)
173
F3 999Abnormal discharge pipe temperature 174
H3 879High pressure switch failure —
H4 999Actuation of low pressure switch —
H9 999Malfunction of thermistor (R1T) for outdoor air (loose
connection, disconnection, short circuit, failure)
175
H9 879Malfunction of thermistor (R1T) for outdoor air (loose
connection, disconnection, short circuit, failure)
175
J1 999Malfunction of pressure sensor —
J3 999Malfunction of discharge pipe thermistor (R3T) (loose
connection, disconnection, short circuit, failure)
176
J3 879Malfunction of discharge pipe thermistor (R3T) (loose
connection, disconnection, short circuit, failure)
176
J5 999Malfunction of thermistor (R4T) for suction pipe
(loose connection, disconnection, short circuit,
failure)
177