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Troubleshooting
Service manual
194
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
Main
code
Sub code
Description
Main Sub 1 Sub 2
L8
03
06
07
Overcurrent on Inverter PCB (A3P) except start-up
11
12
13
Overcurrent on Inverter PCB (A6P) except start-up
L9
01
05
06
Stall Prevention by Inverter PCB (A3P)
10
11
12
Stall Prevention by Inverter PCB (A6P)
13
14
15
Inverter PCB (A3P) Output Phase Abnormality
16
17
18
Inverter PCB (A6P) Output Phase Abnormality
LC
01
Transmission Abnormality Main PCB (A1P to A3P, A6P, A4P, A7P)
14
15
16
Transmission Error Main PCB (A1P) - Inverter PCB (A3P)
19
20
21
Transmission Error Main PCB (A1P) - Fan Inverter PCB (A4P
24
25
26
Transmission Error Main PCB (A1P) - Fan Inverter PCB (A7P
30
31
32
Transmission Error Main PCB (A1P) - Inverter PCB (A6P)
33
34
35
Transmission Error Main PCB (A1P) - Sub PCB
P1
01
02
03
Open Phase or Unbalanced Power Supply Detection by Inverter PCB (A3P)
07
08
09
Open Phase or Unbalanced Power Supply Detection by Inverter PCB (A6P)
P2
00
Refrigerant Auto-charge Interrupted
P4
01
04
05
Fin Thermistor Fault on Inverter PCB (A3P)
02
15
17
Fin Thermistor Fault on Fan Inverter PCB (A4P)
03
16
18
Fin Thermistor Fault on Fan Inverter PCB (A7P)
06
07
08
Fin Thermistor Fault on Inverter PCB (A6P)
P8
-
Freeze-Up During Refrigerant Auto-Charge
P9
-
Refrigerant Auto-Charge Finished Normally
PA
-
No Refrigerant in Refrigerant Cylinder During Auto-Charge
PE
-
Refrigerant Auto-Charge on Last Stage
PF
-
Long Test Run Failed
PJ
04
05
06
Capacity Setting Mismatch for Inverter PCB (A3P)
09
15
16
Capacity Setting Mismatch for Fan Inverter PCB (A4P)
10
17
18
Capacity Setting Mismatch for Fan Inverter PCB (A7P)
12
13
14
Capacity Setting Mismatch for Inverter PCB (A6P)
U0
-
Refrigerant Shortage Detection (Warning)
05
Refrigerant Shortage Detection (during cooling operation)
06
Refrigerant Shortage Detection (during heating operation)
08
09
10
Refrigerant Shortage Detection by High Pressure Sensor
U1
01
05
07
Reverse Phase Detection
04
06
08
Reverse Phase Detection
16
17
18
Open phase detection on power supply
19
20
21
Hz error detection on power supply
Summary of Contents for VRV IV+
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Page 476: ...ESIE18 15B 2020 05 Copyright 2020 Daikin Verantwortung für Energie und Umwelt ...