Troubleshooting, 2 electrical, 3 hydraulics – MacDon M150 SP User Manual
Page 217
TROUBLESHOOTING
* See your MacDon dealer
** Refer to Windrower Technical Manual
Form 169017 / 169087 / 169095
215
Revision C
8.2 ELECTRICAL
SYMPTOM PROBLEM
SOLUTION
SECTION
M150 M200
Low Voltage
And/Or
Battery Will Not
Charge.
Defective battery.
Have battery tested.
7.11.1
Defective alternator belt.
Replace worn belt.
7.8.10.3 7.9.10.3
Loose or corroded connections.
Clean and tighten battery connections.
7.11.1
Dirty or defective alternator,
defective voltage regulator, or high
resistance in circuit.
Contact MacDon Dealer.
*
Alternator or voltage regulator not
connected properly.
Connect properly.
7.11.1.6
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
7.11.2 to 7.11.11
Defective light switch.
Contact MacDon Dealer.
*
Broken wiring.
Check wiring for broken wire or shorts.
---
Open or defective circuit breaker.
Check circuit breaker
7.11.13
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.
*
Battery disconnect switch is off.
Turn on switch.
7.11.1.2
8.3 HYDRAULICS
SYMPTOM PROBLEM
SOLUTION
SECTION
M150 M200
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.
5.17.1
Flow controls adjusted too low.
Toggle speed controls on CDM to increase
flow.
6.5.6, 6.5.7, 6.6.3,
& 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.
**