Daikin RZQ100B8V3B Service Manual page 184

Troubleshooting
1.9.2 Outdoor malfunctions
1
Outdoor Unit Remote
Malfunction Controller
Display
3 3
4
5
Notes:
3–36
Location of Malfunction
Other
than PC
Outdoor
Board
Unit
E1
E3
—
E4
E5
E7
E9
F3
H3
H4
H9
J3
J5
J6
JC
L4
L5
L8
Note 2
L9
LC
P1
P4
PJ
U0
—
U2
1 Possibility of open phase in power supply.
2 In RZQ model, L8 is not displayed on remote controller. Please see 3–82 for more detail.
Contents of Malfunction
PC Board
Indoor Remote
Unit Controller
— — Outdoor unit P.C board malfunc-
tion
— — Abnormality of high pressure
(HPS)
— — Abnormality of low pressure
(outdoor)
— — Compressor motor lock malfunc-
tion
Malfunction of outdoor unit fan
motor
— — Malfunction of Electronic expan-
sion valve
— — Discharge pipe temperature
malfunction
— — Faulty high pressure switch
(HPS)
— — Abnormal low pressure switch
— — Malfunction of outdoor air
temperature sensor system
— — Malfunction of discharge pipe
temperature sensor system
— — Suction pipe thermistor
malfunction
— — Malfunction of heat exchanger
temperature sensor system
— — Suction pipe pressure sensor
malfunction
— — High temperature of radiation fin 3–79
— — Overcurrent of DC output
(instantaneous)
— — Electronic thermal switch
(time lag)
— — Stall prevention (time lag)
— — Malfunction of transmission sys-
tem (between control PCB and
inverter PCB)
— — Open phase or voltage unbal-
ance
— — Malfunction of radiator fin tem-
perature thermistor
— — Error in capacity setting
— — Gas shortage
— — Abnormal power supply voltage
ESIE05-03
Details of
Malfunction
(Reference
Page)
3–58
3–59
3–61
3–65
3–67
3–69
3–71
3–73
3–74
3–76
3–76
3–76
3–76
3–77
3–80
3–82
3–84
3–86
3–88
3–90
3–91
3–92
3–93
Part 3 – Troubleshooting