5-27
5
5
- 49
Mini VRF SYSTEM
Trouble Diagnosis
4. Mini VRF System Alarm Codes
Replace the HIC PC board and operate the unit. (Apply putty and
screws must not be loose) Does it operate normally?
9-1
See what happens.
10-1
Yes
No
Replace the control PC board and operate the unit.
10-1
See what happens.
9 Check the
HIC PC
boards
10 Check the
outdoor
unit main
PC board
(Check content of 7) The test check of the HIC board is only a check on the output level, so the input stage may not be working.
•
With the filter board broken, alarm P16 may not be triggered.
•
Measure with an analog tester. (Set to the k ohm range.)
•
Measure the board by itself. (Remove wires connected from other parts.)
•
Measure using IPM terminals.
Conforming part resistance value (measure with an analog tester)
•
Excepting the parts of “
value is “0 = short-circuit”.
”, it is acceptable if a small resistance value appears as a reference value unless the
•
HIC board IPM Pass/Fail Tests
Tester terminals
-
Resistance value (ohm)
U
1 k to 5 k
V
1 k to 5 k
W
1 k to 5 k
U
1 k to 5 k
V
1 k to 5 k
W
1 k to 5 k
NU
5 k to 10 k
U
100 k to
V
100 k to
W
100 k to
P
100 k to
P
NU
+
Tester terminals
+
Resistance value (ohm)
P
NU
-
U
100 k to
100 k to
V
100 k to
W
100 k to
Excepting the parts of “
value is “0 = short-circuit”.
”, it is acceptable if a small resistance value appears as a reference value unless the
•
Tester terminals
-
Resistance value (ohm)
U
1 k to 10 k
V
1 k to 10 k
W
1 k to 10 k
U
1 k to 10 k
V
1 k to 10 k
W
1 k to 10 k
HIC-
5 k to 20 k
U
20 k to
V
20 k to
W
20 k to
HIC+
20 k to
HIC+
HIC-
+
Tester terminals
+
Resistance value (ohm)
HIC+
HIC-
-
U
20 k to
20 k to
V
20 k to
W
20 k to
SM830277-00_大洋州向け R32シングル_TD&SM.indb 27
19/02/28 13:37:24
Содержание S-160PE1R5B
Страница 12: ...MEMO Xi SM830277 00_ R32 _TD SM indb 12 19 02 26 9 34 28...
Страница 136: ...MEMO 2 16 SM830277 00_ R32 _TD SM indb 16 19 02 28 13 25 27...
Страница 138: ...3 2 3 3 1 Outdoor Units Electric Wiring Diagram U 160PZH2R5 SM830277 00_ R32 _TD SM indb 2 19 02 12 9 55 27...
Страница 140: ...3 4 3 3 2 Indoor Units Ducted Type S 160PE1R5B Electric Wiring Diagram SM830277 00_ R32 _TD SM indb 4 19 02 12 9 55 28...
Страница 160: ...4 18 4 4 3 Outdoor Unit HIC Board U 160PZH2R5 ACXA73 2760 SM830277 00_ R32 _TD SM indb 18 19 02 21 11 54 24...
Страница 161: ...4 19 4 U 160PZH2R8 U 180PZH2R8 U 200PZH2R8 U 224PZH2R8 ACXA73 3104 SM830277 00_ R32 _TD SM indb 19 19 02 21 11 54 24...
Страница 164: ...MEMO 4 22 SM830277 00_ R32 _TD SM indb 22 19 02 21 11 54 26...
Страница 202: ...MEMO 5 38 SM830277 00_ R32 _TD SM indb 38 19 02 28 13 37 39...
Страница 274: ...201903 SM830277 00_ R32 _TD SM indb 1 19 02 12 9 03 53...