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Troubleshooting
Service manual
192
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
Main
code
Sub code
Description
Main Sub 1 Sub 2
F3
01
03
05
Compressor Discharge Temperature Too High
20
21
22
Compressor Body Temperature Too High
F4
01
Wet Operation Caution
02
04
06
Wet Alarm for Compressor (M1C)
03
05
07
Wet Alarm for Compressor (M2C)
08
10
12
Wet Operation Error for Compressor (M1C)
09
11
13
Wet Operation Error for Compressor (M2C)
14
Indoor Unit Wet Operation Alarm
F6
01
Refrigerant Overcharge Detection by High Pressure Sensor S1NPH
02
Refrigerant Overcharge Detection During Test Run
03
Refrigerant Overcharge Detection from High Subcool Value
F9
01
Branch Selector box electronic expansion valve abnormality (high pressure/low
pressure gas pipe)
02
Branch Selector box electronic expansion valve abnormality (suction gas pipe)
05
Branch Selector box electronic expansion valve abnormality (subcooling)
H3
02
04
06
Transmission Error on Inverter PCB (A3P)
03
05
07
Transmission Error on Inverter PCB (A6P)
H7
01
05
09
Defective fan inverter PCB (A4P)
02
06
10
Defective fan inverter PCB (A7P)
21
23
26
Defective fan inverter PCB (A7P)
22
24
26
Defective fan inverter PCB (A4P)
H9
01
02
03
Ambient Temperature Thermistor Malfunction
HA
-
Defrost Fail Alarm
J3
16
22
28
Discharge Temperature Thermistor (R21T) Open Circuit
17
23
29
Discharge Temperature Thermistor (R21T) Short Circuit
18
24
30
Discharge Temperature Thermistor (R22T) Open Circuit
19
25
31
Discharge Temperature Thermistor (R22T) Short Circuit
47
49
51
Compressor Body Temperature Thermistor (R8T) Open Circuit
48
50
52
Compressor Body Temperature Thermistor (R8T) Short Circuit
56
57
58
High Discharge Temperature
59
60
61
Discharge Temperature Thermistors Cross-Wired
J5
01
03
05
Compressor Suction Temperature Thermistor (R12T ) Malfunction
18
19
20
Suction Temperature Thermistor (R10T ) Malfunction
J6
01
02
03
De-icer Temperature Thermistor (R7T) Malfunction
08
09
10
Heat Exchanger Upper Gas Pipe Thermistor (R8T ) Malfunction
11
12
13
Heat Exchanger Upper Gas Pipe Thermistor (R9T ) Malfunction
Summary of Contents for VRV IV+
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Page 476: ...ESIE18 15B 2020 05 Copyright 2020 Daikin Verantwortung für Energie und Umwelt ...