46
13-4-4.Lock input does not stop the air conditioner.
13-4-5.Fire alarm input does not stop the air conditioner.
13-4-6.Clearing fire alarm input does not enable air conditioner
operation.
* If any of the above does not solve the problem, turn off the indoor unit, and turn it on again.
No. Cause Solution
1 Communication error with the digital input / output relay
interface.
1.Check if communication error with the digital input / output relay
interface is detected.
2.Check if communication error with the air conditioner is detected.
2 Communication error with the air conditioner.
1.Check if communication error with the digital input / output relay
interface is detected.
2.Check if communication error with the air conditioner is detected.
3 The inputs in the setting file are incorrect. Check if the lock input name is correctly set in the [Indoor unit group
definition] sheet of the setting file.
No. Cause Solution
1 Communication error with the digital input / output relay
interface.
1.Check if communication error with the digital input / output relay
interface is detected.
2.Check if communication error with the air conditioner is detected.
2 Communication error with the air conditioner.
1.Check if communication error with the digital input / output relay
interface is detected.
2.Check if communication error with the air conditioner is detected.
3 The inputs in the setting file are incorrect. Check if the lock input name is correctly set in the [Indoor unit group
definition] sheet of the setting file.
No. Cause Solution
1 Communication error with the digital input / output relay
interface.
1.Check if communication error with the digital input / output relay
interface is detected.
2.Check if communication error with the air conditioner is detected.
2 Communication error with the air conditioner.
1.Check if communication error with the digital input / output relay
interface is detected.
2.Check if communication error with the air conditioner is detected.
3 The controller is not turned on. Turn on the controller.