Rheem RHMV2421MNACJA Service Manual page 54

Error code Error contents
11.3 Serial communication error
11.4 Serial communication error during operation
5U.1 Indoor unit error
62.1 Outdoor unit PCB model information error
62.3 EEPROM access error
62.8 EEPROM data comuption error
63.1 Inverter error
65.3 IPM error (Trip terminal L error)
71.1 Discharge temp. sensor error
72.1 Compressor temp. sensor error
73.2 Condenser coil middle temp. sensor error
73.3 Condenser coil liquid temp. sensor error
74.1 Outdoor temp. sensor error
84.1
Current sensor 1 error (Stoppage permanently)
86.1 High pressure switch error (24/30)
Outdoor unit discharge pressure sensor error(36/48)
94.1
Outdoor unit trip detection
Compressor motor control error
95.1
(Stoppage permanently)
97.3
Outdoor unit fan motor 1 error
99.1
4-way valve error
9A.1
Coil 1 (Expansion valve 1) error
A1.1
Discharge temperature error
A3.1
Compressor temperature error
: Light OFF : Light ON
Outdoor unit LED display part
A B
1 1
1
1
15
5
2
6
6 2
2
6
6 3
5
6
1
7
2
7
7 3
3
7
4
7
8 4
6
8
9 4
5
9
9 7
9
9
10
9
1
10
3
10
03-04
1 ~ 15 : 1~ 15 Times Blinking
Monitor
C D E F
Trouble
shooting
2
2
3,4,5,6,7,8,10,11,
12,13
14
15
17
18
19
20
21
22
23
24
25
26
27
28
29
30