Panasonic SD-YD250 Manual page 25

Parts Name
No.
1 Temp. senser
2 Temp. fuse
3 Heater
4 Angle
5 Heater Case A'ssy
6 Screw
7 Flat cable (to CN8)
8 P.C.B (B)
9 Fuse wire
10 Power cord
11 Lead wire B
12 Solenoid
5. CAUTIONS AND CHECKING AFTER ASSEMBLY
5.1. Cautions
1. Securely tighten the wiring screws and connect the positive lock
connectors and other connectors. Double-check to see if they are
all tight in position. Check the thermal fuse and thermistor in
particular very cafefullyto avoid unnecessary fusing or malfuntion
2. Do not disconnect and reconnect any connector by holding the
lead wire that might otherwise be broken.
5.2. Checking after assembly
After assembly, check for any water leakage, the insulation resistance, the dielectric strength
and the performance with power applied.
Insulation resistance: Shall be 2M
(Measuring point: Between the 2 plug pins to the heater case and the heater sheath.) / Function
check Shall be test according to "6.
mode).
6. FUNCTION QUICK CHECK TEST PROCEDURE
6.1. Quick check of the circuit board (LCD display test)
Note
Before beginning the troubleshooting procedure, perform the following quick check of the
circuit board to determine whether or not the circuit board is faulty. / Follow the procedure
below. If there are no problems and all of the functionsoperate correctly, the circuit board
assembly can be considered to functioning properly.
or more when measured with a 500 VDC megger.
FUNCTION QUICK CHECK TEST
25
PROCEDURE" (Initial test