HYBRID/TROUBLE SHOOTING
3–187
1.
Using the megohm tester (500 V range), measure the insulation
resistance between the terminals of three-phase cable.
! CAUTION
Terminals must be insulated to avoid contact.
NO
YES
4
Inspecting the insulation resistance of three-phase cable 1
W
V
U
SHTS03ZZZ0300124
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Three-phase cable
U terminal
–
V terminal
V terminal
–
W terminal
W terminal
–
U terminal
10 M
or more
Is the measured value within the range of standard value?
Go to step 5.
• When the central terminal block is pro-
vided: Go to step 8.
• When no central terminal block is pro-
vided: Replace the three-phase cable.