Trane TVR Pro CO 4TVY0140H8000AA User Manual

85
L2: DC bus high voltage protection
Note:
1. The normal DC voltage between terminals P and N on inverter module should be 240-375V. When the voltage is higher than 500V, L2
protection will be appeared.
Figure 6-2.7: Inverter module terminals
L2 protection
The power supply is abnormal
Check the power supply
equipment
The DC bus voltage (P, N) is abnormal
1
Replace the 3-phase bridge
rectifier
Replace the inverter module
No
No
Yes
Yes
U V W
P
N

Trane TVR Pro CO 4TVY0140H8000AA Specifications

General

Brand	Trane
Model	TVR Pro CO 4TVY0140H8000AA
Category	Air Conditioner
Language	English