Mec 3369RT, Service & Parts Manual

Page: 15 / 184

Page 10 XX69RT Series - Service & Parts Manual
November 2022 Section 5 - Troubleshooting
Fault
Code
Display Description Solution
36
Right Rear Outrig Sw
Flt
Platform Right Rear
Outrigger Enable Switch
ON at power-up
Self-Check fault, don’t touch other button at power-on.
37 Auto Level Switch Fault
Platform Outrigger Auto-
Level Enable Switch ON
at power-up
Self-Check fault, don’t touch other button at power-on.
43 Float Limit Switch Fault
Float limit Switches are
both ON
Check float limit switches (work at the same time),
Check wires.
49 Drive Coil 1 Fault Channel DRIVE 1 fails Check wiring, replace coil.
50 Drive Coil 2 Fault Channel DRIVE 2 fails Check wiring, replace coil.
51 Drive Coil 3 Fault Channel DRIVE 3 fails Check wiring, replace coil.
52 Func Prop Coil Fault
Channel
PROPORTIONAL 1 fails
Check wiring, replace coil.
54 Up Coil Fault Channel UP fails Check wiring, replace coil.
55 Down Coil Fault Channel DOWN fails Check wiring, replace coil.
56 Right Turn Coil Fault Channel Right Turn fails Check wiring, replace coil.
57 Left Turn Coil Fault Channel Left Turn fails Check wiring, replace coil.
58 Brake Coil Fault Channel Brake fails Check wiring, replace coil.
60 Forward 1 Coil Fault
Channel FORWARD or
FLOAT fails
Check wiring, replace coil.
61 Reverse 1 Coil Fault
Channel REVERSE
fails
Check wiring, replace coil.
66 Low Oil Pressure Oil Pressure Fault Check wiring, replace pressure sensor.
67
High Coolant
Temperature Water Temperature
Fault
Check wiring, replace temperature sensor.
68 Low ECU Voltage Low Battery Voltage Check wiring, check battery, replace battery.
69 Low Engine RPM Low RPM Fault Adjust the RPM between 1600 and 2600, manually.
70 High Engine RPM High RPM Fault Adjust the RPM between 1600 and 2600, manually.
81 Left Front Otrg Coil Flt
Channel LEFT FRONT
OUTRIGGER fails
Check wiring, replace coil.
82 Left Rear Otrg Coil Flt
Channel LEFT REAR
OUTRIGGER fails
Check wiring, replace coil.
83 Right Front Otrg Coil Flt
Channel RIGHT FRONT
OUTRIGGER fails
Check wiring, replace coil.
84 Right Rear Otrg Coil Flt
Channel RIGHT REAR
OUTRIGGER fails
Check wiring, replace coil.
85 Outrigger Ext Coil Flt
Channel EXTEND
OUTRIGGER fails
Check wiring, replace coil.
86 Outrigger Ret Coil Flt
Channel RETRACT
OUTRIGGER fails
Check wiring, replace coil.
95 Machine Type Fault
Wrong Machine Type
Selected
Set the machine model again.
98 Platform Overload
Wrong Machine Type
Selected
Remove the excess load immediately.
LL LL Tilt
Machine Tilted Beyond
Safe Limits Fault
If the machine is tilted, find a way to make it level. If
the machine is level, check the wiring to the tilt sensor
and then the sensor itself.