Troubleshooting
MERGE 10-15
Chapter 10
is not fit
4
、
The extreme work condition
5 HPD
HPD
failure
1
、
The order of direction and
throttle is wrong
2
、
Choose wrong HPD type
3
、
Wrong adjustment on the
throttle potentiometer
4
、
Order delay is too short
6
RELAY COIL FAULT
Time-delay coil failure
1
、
wrong connection on the
time-delay coil
7
RELAY DRIVER OFF
Time-delay coil over
currency
1
、
short circuit on the time-delay
coil
8
RELAY DRIVER ON
Time-delay coil less
currency
1
、
time-delay coil is off or
damaged
9
CIRCUIT BRKR OPEN
Antislip circuit is open circuit
or fuse is damage
1
、
Fuse is broken
2
、
Antislip circuit failure
3
、
Speed sensor failure
10
MAIN WELDED
Main contactor welded
1
、
Main contactor is welded
2
、
The drive of main contactor
is short
11
WELDED AUX CONT
Auxiliary contactor welded
1
、
Auxiliary contactor is welded
2
、
The drive of auxiliary
contactor is short
12
SPEED SENSOR FAULT
Speed sensor failure
1
、
No connection on the speed
sensor
2
、
Speed sensor is broken
13
MAIN DRIVER ON
The drive input of main
contactor is less currency
1
、
Main contactor failure or
open circuit
2
、
controller is broken
14 MAIN
COIL
FAULT
The coil of main contactor is
failure
1
、
The coil of main contactor is
open or disconnect
15
MAIN DROPOUT
Main contactor is open
1
、
main contactor is broken
16
MOTOR STALL
Motor failure
1
、
incorrect installation of the
motor
2
、
Motor stall
3
、
EM brake cable is fault
4
、
Speed sensor is broken
17
MAIN DRIVER OFF
Driving output on main
contactor is over currency
1
、
Main contactor failure or coil
is short circuit.
2
、
Controller is broken
18
AUX CONT DN
Auxiliary contactor is open
1
、
the driving of auxiliary
contactor is short circuit
19
KEY SWITCH SRO
Key switch SRO failure
1
、
Interlock on the key switch
and the order delay is wrong
Summary of Contents for 2010 E-Merge
Page 2: ......
Page 79: ...Electric Component MERGE 9 7 Chapter 9 Control circuit ...
