Trouble shooting 7
Branch Box Error Method:
Detective Actuators: Detective details:
Forecast of Cause :
Number of Branch Boxes Error
Branch Box
Check the Branch Box power
>> If there is an abnormal condition, power turned on.
1. Branch box power failure
2. Branch box connection failure
Check Point 1 : Check the Branch box power
When the number of branch boxes and are different,
and the operation command is input to the outdoor unit.
Memorized number at the check operation.
Number of Serial forward signal.
Check the Branch Box connection.
>> If there is an abnormal condition, correct it by referring to Installation Manual
or Design & Technical Manual.
>> Upon correcting incorrect setting, reset the power.
Check Point 2 : Check the Branch box connection
OK
Indoor Unit : Operation LED 2 times Flash, Timer LED 4 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. 24. 3
Error Code : 24
Indicate or Display:
02-23
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