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troubleshooting
Thermostat is not controlling the PTAC unit.
1.
Check if the HVAC unit is set to "External Thermostat" (Class 2)
mode.
2.
Verify the status of the red light on the Wireless Control Card;
➤
the red light is off
the control card is not powered. Verify the Wireless control card is
properly wired to the PtAc unit;
the red light is blinking with one (1) flash
➤
the Wireless control card is powered but it is not connected to the
thermostat, re-link the thermostat and the control card with the
Network Programmer.
the red light is blinking with three (3) flashes or continuously
➤
flashing.
the Wireless control card is connected to the thermostat - check
the wireless control card wiring and the thermostat configuration.
Low Battery indicator is displayed on the thermostat screen..
replace thermostat batteries.
➤
Error Codes
ERR 1
thermostat temperature Sensor Hardware Defect
ERR 2
thermostat radio Hardware Defect
ERR 3
thermostat radio Software Defect
ERR 4
No link with the Wireless control card
ERR 5
thermostat Memory Defect
Verdant VX-tW Network Installation
21
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