Troubleshooting - LG PRCKA0 Installation Manual

Troubleshooting

Troubleshooting
Problem
AHU Control Kit
does not work
AHU EEV Kit
does not work
26 AHU Control Kit / EEV Kit
Cause
No power supply
Wiring is wrong
AHU Control Kit is broken
Wiring is wrong
Piping is wrong
Remedy
Check the electrical connection and voltage of the
power supply.
Check the electrical connection of the Control kit
(Refer to the circuit diagram of the Control Kit)
Check the electrical and mechanical part.
Check the electrical connection of the EEV Kit
Check the piping connection between the EEV Kit
and outdoor unit