Carrier 25VNA Installation Instructions

FAULT DESCRIPTION SENT TO Ul RESET TIME
(minutes)
-- ON, no flash
- - 1, pause
1 (2 sec ON), longer pause (1
second OFF)
Communications Loss NA
Invalid Model NA
High Pressure Switch Open 15
Low Pressure Trip 15
Control Fault NA
Brownout Revert to 5 min cycle delay
Lost Inverter Communications Revert to 5 min cycle delay
230VAC Dropout-Reset Event Revert to 5 min cycle delay
Outdoor Air Temp Sensor Fault NA
Suction Temp Sensor Fault 15
Coil Temp Sensor Fault NA
OAT-OCT Thermistor Out of range NA
Suction Pressure Sensor Fault 15
OAT-OST Thermistor Out of range 5
Compressor Scroll Temp Out of Range 15
Compressor Sump Heating Active 2 HOURS
Inverter / Compressor Internal Fault 15
Compressor Motor Temp Out of Range 15
Suction Over Temperature 15
Inverter Temp Out of Range Event 15
Inverter Over Current 15
Compressor No-Pump Event 15
Suction Over Temp Lockout 4 Hours
Low Pressure Lockout for 4 hours 4 HOURS
High Pressure Lockout for 4 hours 4 HOURS
Compressor Temp Lockout 4 HOURS
Compressor Temp Sensor Fault 15
Inverter Temp Lockout 4 HOURS
Inverter VDC-Out Over Voltage 15
Inverter VDC- Out Under Voltage 15
230VAC Under Voltage 15
230VAC Over Voltage 15
High Current Lockout 2 HOURS
VDC Under Voltage Lockout 2 HOURS
VDC Over Voltage Lockout 2 HOURS
High Torque Event 10
High Torque Lockout 2 HOURS
-- NA
Table 7 - Troubleshooting
FLASH CODE
(AMBER LED)
Standby
Variable Capacity or Emergency
Mode
Variable Speed Range Cutback
16
25
31
32
45
46
48
49
53
54
55
56
57
58
59
68
69
71
72
75
77
79
82
83
84
85
86
88
91
92
93
94
95
96
97
98
99
OFF
17

Carrier 25VNA Specifications

General

Refrigerant	R-410A
Energy Star Certified	Yes
Stages	Variable
HSPF2	Up to 9.5
Compressor Type	Variable Speed
Cooling Capacity	2-5 tons
Heating Capacity	2-5 tons
Warranty	10-year parts limited warranty