Trane TVR Pro CO Series - Page 51

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3.2 Layout
LED indicators LED1 and LED2
Table 5-3.2: LED indicators LED1 and LED2
Indicator
LED indicator function and status
LED 1
Inverter module operating indicator. Continuously on if the compressor is running normally and
flashing if an inverter module error has occurred
1
.
LED 2
Inverter module error indicator. Continuously on if an inverter module error has occurred
1
.
Note:
1. If an inverter module error occurs, refer to Part 6, “Xh4 Troubleshooting”. The error code is displayed on the digital display.
Dial switch S7 setting
Dial switch S7 is used to set compressor inverter module A/B address. The compressor inverter module A/B location refers
to the wiring diagram.
S7 on inverter module
Inverter module address
0 for compressor inverter module A
1 for compressor inverter module B