Panasonic S-36PU1E5A Service Manual page 614

9 Check the
HIC PC
9-1
boards
10 Check the
outdoor
10-1
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.
HIC board IPM Pass/Fail Tests
• 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)
Tester terminals
+
-
Resistance value (ohm)
Tester terminals
5
-
+
Resistance value (ohm)
• Excepting the parts of "
value is "0 = short-circuit".
Tester terminals
+
-
Resistance value (ohm)
Tester terminals
-
+
Resistance value (ohm)
• Excepting the parts of "
value is "0 = short-circuit".
Replace the HIC PC board and operate the unit. (Apply putty and
screws must not be loose) Does it operate normally?
Replace the control PC board and operate the unit.
U V
1 k to 5 k 1 k to 5 k
U V
100 k to 100 k to
100 k to ", it is acceptable if a small resistance value appears as a reference value unless the
U V
1 k to 10 k 1 k to 10 k
U V
20 k to 20 k to
20 k to ", it is acceptable if a small resistance value appears as a reference value unless the
P
W NU
1 k to 5 k 5 k to 10 k 100 k to
P
W
100 k to 1 k to 5 k
HIC+
W HIC-
1 k to 10 k 5 k to 20 k 20 k to
HIC+
W
20 k to 1 k to 10 k
5-58
Yes See what happens.
No 10-1
See what happens.
NU
U V W
100 k to 100 k to
NU
U V W
1 k to 5 k 1 k to 5 k
HIC-
U V W
20 k to 20 k to
HIC-
U V W
1 k to 10 k 1 k to 10 k
P
100 k to
HIC+
20 k to