Daikin ERQ Service Manual page 169

ESIE09-05
Malfunction
code
AHU A0
A1
A3
A6
A8
A9
AF
AJ
C1
C4
C5
C6
C9
CA
CC
CJ
Outdoor Unit E1
E3
E4
E5
E6
E7
E9
F3
F6
H3
H4
H7
H9
J2
J3
J5
J6
J7
J9
JA
JC
L0
L1
L4
L5
L8
L9
Troubleshooting
Operation
lamp
Error of external protection device
c
PC board defect, E
c
Malfunction of drain level control system (S1L)
c
Fan motor (M1F) lock, overload
c
Abnormal power supply voltage
c
Malfunction of moving part of electronic expansion valve (Y1E)
c
Drain level above limit
w
Malfunction of capacity setting
c
Failure of transmission (between AHU PC board and fan PC board)
c
Malfunction of thermistor (R2T) for heat exchange (loose connection,
c
disconnection, short circuit, failure)
Malfunction of thermistor (R3T) for gas pipes (loose connection,
c
disconnection, short circuit, failure)
Failure of combination (between AHU PC board and fan PC board)
c
Malfunction of thermistor (R1T) for suction air (loose connection,
c
disconnection, short circuit, failure)
Malfunction of thermistor for discharge air (loose connection,
c
disconnection, short circuit, failure)
Malfunction of humidity sensor system
w
Malfunction of thermostat sensor in remote controller
w
PC board defect
c
Actuation of high pressure switch
c
Actuation of low pressure sensor
c
Compressor motor lock
c
Standard compressor lock or over current
c
Malfunction of outdoor unit fan motor
c
Malfunction of moving part of electronic expansion valve (Y1E, Y3E)
c
Abnormal discharge pipe temperature
c
Refrigerant overcharged
c
Failure of high pressure switch
w
Actuation of low pressure switch
c
Abnormal outdoor fan motor signal
c
Malfunction of thermistor (R1T) for outdoor air (loose connection,
c
disconnection, short circuit, failure)
Current sensor malfunction
c
Malfunction of discharge pipe thermistor (R2T) (loose connection,
c
disconnection, short circuit, failure)
Malfunction of thermistor (R3T, R5T) for suction pipe (loose connection,
c
disconnection, short circuit, failure)
Malfunction of thermistor (R6T) for heat exchanger (loose connection,
c
disconnection, short circuit, failure)
Malfunction of thermistor (R7T) for outdoor unit liquid pipe
c
Malfunction of subcooling heat exchanger gas pipe thermistor (R4T)
c
Malfunction of high pressure sensor
c
Malfunction of low pressure sensor
c
Inverter system error
c
Malfunction of PC board
c
Malfunction of inverter radiating fin temperature rise
c
Inverter compressor abnormal
c
Inverter current abnormal
c
Inverter start up error
c
Troubleshooting by Remote Controller
Malfunction contents
2
PROM defect
: http://splitoff.ru/tehn-doc.html
w : ON x : OFF c : Blink
Page
Referred
165
166
—
167
168
169
—
171
172
174
175
176
177
178
179
180
181
182
184
186
—
187
188
190
191
—
—
—
192
—
193
194
195
196
197
198
199
—
200
201
202
203
204
159