Mec 1930SE, Service And Parts Manual

Page: 49 / 195

“SE Series ” Service and Parts Manual March 201 7
Page 2-10
F
A U L T
C
O D E S
Failures that do not have a fault code associated: (continued)
NO. FAULT MODELS
6 7A fuse blown on ground control
1. (Check the beacon and wiring)
2. (Check the tilt sensor and wiring)
3. (Check the platform controller)
4. (Check 7A Fuse)
SOLUTIONS
All Models
7 Platform lowers uncommented approximately
6 inches after lift
(Check t he relief valve on upper lift cylinder,
increase the pressure by turning adjust
screw clockwise 1/4 turn)
NOTE: Emergency down function will be
affected by excessive increase)
All Models
8 Platform lowers uncommented
1. ( Check t he down function valve )
2. (Check th e emergency lowering cable)
All Models
9 Will not lift rated capacity
1. ( Check t he lift relief valve by turning the
adjuster screw clockwise 1/4 turn)
2. (Check the seal on lift relief valve)
3. (Check the seal on lift function valve)
4. (Check the pump)
All Models
10
No power on machine
1. ( Check t h e platform control and wiring)
2. (Check the charger relay wiring)
3. (Check three power switches and wiring)
4. (Check the key switch and wiring on
ground control)
5. (Check 7A and 250A/300A Fuse)
6. (Check the relay and wiring on ground
control)
All Models
No d rive when elevated All Models
1 1
(Check the elevated drive speed setting)
Slow drive speed in stowed position All Models
1 2
(Check the down limit switch and wiring)
No Charging
All Models
1 3
1. ( Check t h e charger and wiring)
2. (Check the battery water, terminals,
and wiring)
3. (Check the batteries for bad cells)