MacDon M100 SP Operators Manual - Manual (Page 176)

TROUBLESHOOTING
* See your MacDon dealer
** Refer to Windrower Technical Manual
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174
Rev. C
SYMPTOM PROBLEM SOLUTION SECTION
Lights Dim. High resistance in circuit or poor
ground on lights. Check the wiring circuit for a
break in a wire or a poor ground.
---
Defective light switch. Contact MacDon dealer. *
Lights Do Not Light. Burnt out light bulb. Replace light bulb. 7.10.2 to
7.10.9
Defective light switch. Contact MacDon dealer. *
Broken wiring. Check wiring for broken wire or
shorts.
---
Open or defective circuit breaker. Check circuit breaker.
7.10.8.1
Defective relay. Replace relay.
Poor ground on lights. Clean and tighten ground wires. ---
Turn Signals Or Indicators
Showing Wrong Direction.
Reversed wires. Contact MacDon dealer.
*
No Current To Cab. Circuit breaker tripped. Breaker automatically resets. ---
Broken or disconnected wire. Contact MacDon dealer. *
58.3 HYDRAULICS
SYMPTOM PROBLEM SOLUTION SECTION
Header Or Reel Not Lifting. Contaminant in relief valve. Clean relief valve at cylinder
control valve.
**
Appropriate solenoids not being
energized by activating switch. Contact MacDon dealer.
*
Header Or Reel Lifts But Lacks
Power.
Relief pressure too low or
contaminant in relief valve. Check/adjust/clean relief valve at
cylinder control valve.
**
Reel And/Or Conveyor Not
Turning.
Header drive switch not engaged. Engage switch.
5.16.1
Flow controls adjusted too low. Toggle speed controls on CDM
to increase flow. 6.5.3,
6.5.4, 6.6.4
Appropriate solenoid on flow control
block not being energized. Contact MacDon dealer.
*
Reel And/Or Conveyor Turns But
Lacks Power.
Relief pressure too low. Check/adjust/clean compensator
pump.
**
58.4 HEADER DRIVE
SYMPTOM PROBLEM SOLUTION SECTION
Sickle Drive Not Engaging. Header drive switch in cab not
engaged. Engage switch.
5.16.1
Appropriate solenoid not being
energized by activating switch. Contact MacDon dealer.
*
Operator presence switch not
closed or faulty. Occupy operator’s seat or
replace switch.
*
Sickle Drive Lacks Power Header drive overload. Reduce ground speed. 6.3.6.2
Pressure too low or contaminant in
pump compensator valve. Check/adjust/clean compensator
valve on knife drive pump.
*
Warning Alarm Sounds Header drive overload. Reduce ground speed. 6.3.6.2
Compensator valve setting too low. Adjust compensator valve on knife
drive pump.
*