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186CNV: Installation Instructions
Code*
Base
Fault**
14
94
15
94
17
06
18
11
24
22
25
24
26
26
27
31
28
11
31
16
19
15
32
33
15
34
11
35
11
36
15
13
38
18
31
13
14
39
15
41
13
44
13
01
51
02
01
52
02
53
01
54
02
01
57
02
01
58
02
61
62
01
64
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 7 – Fault Code Table
Expansion
Malfunction***
Line Voltage Low
Line Voltage High
PCM-Bluetooth Module Communication Failure
Indoor Coil Freeze Protection
58
5V PCM External Power Out of Range
61
Invalid Model Plug
62
Model Plug Missing
Model Plug Changed
63
VFD/Equipment Model Mismatch
PCM MCU Old Version
PCM Reprogramming Failure
EEPROM Write Failure
71
Fuse 1 Open (PEV / RVS)
72
Fuse 2 Open (LLV)
58
Compressor High Pressure Limit
High Pressure Switch Trip
High Pressure Disable
55
Compressor Low Pressure Limit
59
Low Pressure Disable
55
Compressor Low Discharge Limit
58
Compressor High Temperature Limit
58
Compressor High Compression Limit
55
Compressor Low Compression Limit
53
Compressor Starting Error
54
Compressor No Pump
High Differential Pressure Start Disable
71
VFD Estimator Error
53
Fan Start Error
Fan Speed Error
55
Unexpected Fan Shutdown
58
Fan Motor Error
Defrost Overrun
PEV Timeout
OAT (Outdoor Air Thermistor) Open/Low Temp
OAT (Outdoor Air Thermistor) Shorted/High Temp
OCT (Outdoor Coil Thermistor) Open/Low Temp
OCT (Outdoor Coil Thermistor) Shorted/High Temp
41
OST (Outdoor Suction Thermistor) Open/Low Temp
42
OST (Outdoor Suction Thermistor) Shorted/High Temp
ODT (Outdoor Discharge Thermistor) Open/Low Temp
ODT (Outdoor Discharge Thermistor) Shorted/High Temp
41
P1 Open
42
P1 Shorted
43
P1 Sensor Error
41
P2 Open
42
P2 Shorted
43
P2 Sensor Error
41
Reversing Valve Solenoid Open
PEV Solenoid Open
41
EXV-H Phase Open
44
EXV-H Power Short to Ground
45
EXV-H Phase Short to Ground
Description
19
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