Daikin RZQ71~125B7V3B, Service Manual

Page: 235 / 484

ESIE04-01 Troubleshooting
Part 3 – Troubleshooting 3–35
3 3
4
5
1
1.9.2 Outdoor malfunctions
Notes: 1 Possibility of open phase in power supply.
2 In RZQ model, L8 is not displayed on remote controller. Please see 3–74 for more detail.
Outdoor Unit
Malfunction
Remote
Controller
Display
Location of Malfunction Contents of Malfunction Details of
Malfunction
(Reference
Page)
Other
than PC
Board
PC Board
Outdoor
Unit
Indoor
Unit
Remote
Controller
E0
— — Activation of protection device
Note 1. 3–54
E1
— — Outdoor unit P.C board malfunc-
tion 3–55
E3
— — — Abnormality of high pressure
(HPS) 3–56
E4
— — Abnormality of low pressure
(outdoor) 3–58
E5
— — Compressor motor lock malfunc-
tion 3–60
E7
Malfunction of outdoor unit fan
motor 3–62
E9
— — Malfunction of Electronic expan-
sion valve 3–63
F3
— — Discharge pipe temperature
malfunction 3–65
H3
— — Faulty high pressure switch
(HPS) 3–67
H7
— — Malfunction of outdoor fan signal 3–68
H9
— — Malfunction of outdoor air
temperature sensor system 3–69
J3
— — Malfunction of discharge pipe
temperature sensor system 3–69
J5
— — Suction pipe thermistor
malfunction 3–69
J6
— — Malfunction of heat exchanger
temperature sensor system 3–69
JC
— — Suction pipe pressure sensor
malfunction 3–70
L4
— — High temperature of radiation fin 3–71
L5
— — Overcurrent of DC output
(instantaneous) 3–72
L8
Note 2
— — Electronic thermal switch
(time lag) 3–74
L9
— — Stall prevention (time lag) 3–76
LC
— — Malfunction of transmission sys-
tem (between control PCB and
inverter PCB) 3–78
P1
— — Open phase or voltage unbal-
ance 3–80
P4
— — Malfunction of radiator fin tem-
perature thermistor 3–82
PJ
— — Error in capacity setting 3–84
U0
— — — Gas shortage 3–85
U2
— — Abnormal power supply voltage 3–86
RZQ - Final.book Page 35 Wednesday, September 8, 2004 8:40 AM