Panasonic Elite Big PAC-i U-200PZH2E8 - Page 227

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-
1S
ee 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
PN
U+
Tester terminals
+
Resistance value (ohm)
PN
U-
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
SM830276-00_欧州向け R32シングル TD＆SM.indb 27 19/02/28 13:29:38