25VNA4: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
19
Table 8 – Fault Code Table
Code* Description
Base
Expansion
Fault** Malfunction***
13 82 53 Systen Control Upgrade Recomended
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
27 PCM Reprogramming Failure
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
01 ODT (Outdoor Discharge Thermistor) Open/Low Temp
02 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
13 53 Reversing Valve Timeout
62 01 PEV Solenoid Open
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