[L20 error]
Is group operation carried out?
Do outside devices normally work?
Check cause of operation.
Check corresponding
indoor unit/outdoor unit.
Are outside devices of
connector CN80 connected?
Is not the multiple same central
control system addresses connected?
Is there check code
on remote controller in the
follower remote controller?
Are wiring connections
to communication lines
U3 and U4 normal?
Check central controller
(including 1:1 model connection interface)
and indoor P.C. board (MCC-1631).
Defect
→
Replace
Correct wiring connection.
Correct central control system address.
Check indoor P.C. board (MCC-1631).
Defect
→
Replace
Check outside devices.
Defect
→
Replace
Check indoor P.C. board (MCC-1631).
Defect
→
Replace
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
[L30 error]
[P30 error] (Central controller)
FILE NO. SVM-18039
- 49 -
Summary of Contents for RAV-RM1101BTP Series
Page 18: ...RM56 type RM80 type RM110 RM140 type FILE NO SVM 18039 18 ...
Page 19: ...3 WIRING DIAGRAM FILE NO SVM 18039 19 ...
Page 34: ...5 3 Indoor Print Circuit Board MCC 1631 FILE NO SVM 18039 34 ...
Page 89: ...11 EXPLODED VIEWS AND PARTS LIST 11 1 RAV RM561BTP E RAV RM561BTP TR FILE NO SVM 18039 89 ...
Page 91: ...11 2 RAV RM801BTP E RAV RM801BTP TR FILE NO SVM 18039 91 ...
Page 94: ...11 6 RAV RM1101BTP E RAV RM1101BTP TR RAV RM1401BTP E RAV RM1401BTP TR FILE NO SVM 18039 94 ...