Trouble shooting 15 E29. 1
INDOOR UNIT Error Method:
Connection unit number error (Indoor
unit in Wired remote controller system)
Indicate or Display:
Indoor Unit : Operation LED 2 times Flash, Timer LED 9 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E.5 U.1
Error Code : 2 9
Detective Actuators:
Wired remote controller ( 2-Wire )
Indoor unit Controller PCB circuit
Detective details:
When the number of connecting indoor units are out of specified rule.
Check Point 2 : Check Indoor unit controller PCB
Forecast of Cause : 1. Wrong wiring/ Number of I.U, RC in RCgroup 2. Indoor unit controller PCB defective
Check Point 1 : Wire installation
Wrong number of connceting indoor unit
Change controller PCB and check the Error after setting remote controller address
Check if controller PCB damage
04-24
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