24VNA6: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
19
Table 7 – Fault Code Table
Code*
Description
Base
Expansion
Fault**
Malfunction***
14
94
Line Voltage Low
15
94
Line Voltage High
17
06
PCM-Bluetooth Module Communication Failure
18
11
Indoor Coil Freeze Protection
24
58
5V PCM External Power Out of Range
25
61
Invalid Model Plug
22
62
Model Plug Missing
24
Model Plug Changed
63
VFD/Equipment Model Mismatch
26
26
PCM MCU Old Version
31
EEPROM Write Failure
28
71
Fuse 1 Open (PEV / RVS)
72
Fuse 2 Open (LLV)
31
11
58
Compressor High Pressure Limit
16
High Pressure Switch Trip
19
High Pressure Disable
32
15
55
Compressor Low Pressure Limit
59
Low Pressure Disable
33
15
55
Compressor Low Discharge Limit
34
11
58
Compressor High Temperature Limit
35
11
58
Compressor High Compression Limit
36
15
55
Compressor Low Compression Limit
38
13
53
Compressor Starting Error
54
Compressor No Pump
18
High Differential Pressure Start Disable
31
71
VFD Estimator Error
39
13
53
Fan Start Error
14
Fan Speed Error
15
55
Unexpected Fan Shutdown
58
Fan Motor Error
41
13
Defrost Overrun
44
13
PEV Timeout
51
01
OAT (Outdoor Air Thermistor) Open/Low Temp
02
OAT (Outdoor Air Thermistor) Shorted/High Temp
52
01
OCT (Outdoor Coil Thermistor) Open/Low Temp
02
OCT (Outdoor Coil Thermistor) Shorted/High Temp
53
41
OST (Outdoor Suction Thermistor) Open/Low Temp
42
OST (Outdoor Suction Thermistor) Shorted/High Temp
54
41
ODT (Outdoor Discharge Thermistor) Open/Low Temp
42
ODT (Outdoor Discharge Thermistor) Shorted/High Temp
57
01
41
P1 Open
02
42
P1 Shorted
43
P1 Sensor Error
58
01
41
P2 Open
02
42
P2 Shorted
43
P2 Sensor Error
61
41
Reversing Valve Solenoid Open
62
01
PEV Solenoid Open
64
41
EXV-H Phase Open
44
EXV-H Power Short to Ground
45
EXV-H Phase Short to Ground
