– 52 –
[P19 error]
Exchange to cooling cycle
Exchange to heating cycle
SW804
SW801
CN701
Push
DC180V or more
Replace 4-way valve coil.
Check outdoor P.C. board.
Defective
→
Replace
Are 1.3 to 1.6k
Ω
applied to
resistance value of 4-way valve coil ?
Check outdoor P.C. board operation.
(See the following description.)
Check 4-way valve.
Defective
→
Replace
Is operation of 4-way valve normal?
(Check the pipe temp., etc.
during cooling/heating operation.
Check temperature sensors.
TE sensor
TS sensor
Indoor TC sensor
Defective
→
Correct, replace
YES
YES
OK
NO
NO
Defective
4
3
2
1
ON
SW804
SW801
1
CN701
Push
DC180V or more
4
3
2
1
ON
4
1
4
Operation check direction of the outdoor P.C. board (In case of self-preservation valve)
1) Set the Dip switch SW804 as same as the following table and push SW801 for approx. 1 second. It enables
you to check the exchange operation to cooling cycle or heating cycle.
• Only for approx. 10 seconds, the power is turned on.
• As the heat value of part (coil: resistance R700) is large, when checking the operation continuously, wait 1
minute or more until the next check. (There is no problem if a coil is not connected.)
2) After check, turn off all the Dip switches SW804.
Check by tester
Analog tester: Good article if over DC180V
Digital tester: Although in some cases, the value varied and indicated. If the maximum value is DC180V or
more, it is good article.
Summary of Contents for RAV-SM1106BT-E
Page 18: ... 18 ...
Page 19: ... 19 3 WIRING DIAGRAM ...
Page 34: ... 34 5 3 Indoor Print Circuit Board MCC 1631 ...
Page 89: ... 89 11 EXPLODED VIEWS AND PARTS LIST 11 1 RAV SM406BT E RAV SM456BT E RAV SM566BT E ...
Page 91: ... 91 11 2 RAV SM806BT E ...
Page 93: ... 93 11 3 RAV SM406BT TR RAV SM456BT TR RAV SM566BT TR ...
Page 95: ... 95 11 4 RAV SM806BT TR ...
Page 98: ... 98 11 6 RAV SM1106BT E RAV SM1406BT E RAV SM1606BT E ...
Page 100: ... 100 11 7 RAV SM1106BT TR RAV SM1406BT TR RAV SM1606BT TR ...