EP Equipment CPD30L1-B, Service Manual

Page: 73 / 235

61
REV. 05/2020
OPERATING SYSTEM
6
-
-
-
-
Set the multimeter to ON-OFF;
Check if #2/#83 circuit (circuit between key
switch and emergency switch) is conducted;
Check if #81 circuit (circuit between emerge-
ncy switch and battery bms) is conducted;
Check if #1 circuit (circuit between emergency
switch and battery ) is conducted.
6.7 Emergency Switch
Emergency switch is used for emergency cut-off
of the power supply to all the control circuits.
6.7.1 Removal and Installation
6.7.2 Faults and Causes
1
Fault Emergency switch at pulled-out
status, the vehicle not energized
Cause
a. Emergency switch failure;
b. Emergency switch circuit not
conducted.
Checking
- Check if the appearance of emergency switch
its wiring harness are in good condition, and
if the connectors are connected securely.
6.7.3 Checking and Testing
Testing
-
-
Check if the emergency switch circuit is con-
ducted;
Carry out ON/OFF test to emergency switch
with a multimeter:
Emergency switch in pulled-out status, circuit
conducted;
press the emergency switch, the circuit is
opened.
6.7.4 Control Circuit Troubleshooting
Control Circuit (Fig3131-30012SM)
Check if the circuit is broken by using a multi-
meter:
2
Fault Emergency switch pressed, the
vehicle still energized
Cause
a. Emergency switch failure;
b. Emergency switch shorted
(short circuit)
-
-
-
Remove the control panel; (see Section 6.6.1)
Disconnect the connections between emerge-
ncy stop switch (6, Fig3131-30014SM) and
main wiring harness;
Remove the emergency stop switch (6) from
the control panel (4).
- Install according to the reverse order of rem-
oval.