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Trouble shooting 33
OUTDOOR UNIT Error Method:
High Pressure Switch Error
Detective Actuators:
High pressure switch
Forecast of Cause :
1. High pressure switch connector disconnection, open
2. High pressure switch characteristics defective
3. Main PCB defective
Check Point 1 : Check the high pressure switch connection state
Connector and wiring connection state check
Cable open check
OK
Check Point 2 : Check the high pressure switch characteristics
Switch characteristics check
* For the characteristics of high pressure switch, refer to the "Service Parts Information ".
OK
Check Point 3 : Replace Main PCB
Change Main PCB and set up the original address.
Indicate or Display:
Outdoor Unit : E. 86. 4
Indoor Unit
: Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Error Code
: 86
Detective details:
When the power was turned on, "high pressure switch : open" was detected.
04-43
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Troubleshooting
