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Trouble shooting 16
OUTDOOR UNIT Error Method:
High Pressure Switch Error
Test 1 : Check the high pressure switch connection state
OK
Outdoor unit Main PCB
High Pressure Switch
1. High pressure switch connector disconnection, open
2. High pressure switch characteristics failure
3. Main PCB failure
When pressure switch open is detected in 10 seconds
after the power is turned on.
Connector and wiring connection state check
Cable open check
Test 2 : Check the high pressure switch characteristics
Switch characteristics check
* For the characteristics of high pressure switch, refer to below.
OK
Test 3 : Replace Main PCB
Change Main PCB, and execute the check operation again.
Type of contact
Characteristics of pressure switch (CN90)
C
H
Pressure
Pressure switch
Contact : Short Open
Contact : Open Short
609.2 14.5 PSI
464.1 21.8 PSI
02-18
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 8 times Flash, Timer lamp: 6 times Flash
Economy lamp: Continuous flash.
ERROR CODE : [E : 86]
Detective Actuators:
Detective details:
Forecast of Cause:
Summary of Contents for R410A
Page 3: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...
Page 23: ...2 TROUBLE SHOOTING R410A WALL MOUNTED type INVERTER ...
Page 63: ...3 APPENDING DATA R410A WALL MOUNTED type INVERTER ...
Page 76: ...Jan 2016 Printed in Japan 3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...