New Holland CX720 Repair Manual page 3910

E0041-06-Current Sense Fan Motor Short Circuit (K.62.B.28.62 -
G.30.B.25)
E0041-06 - Current Sense Fan Motor Short Circuit
Cause:
The fan speed (M-05) circuit indicates high current draw.
Possible failure modes:
1. Circuit connection shorted.
2. Excessive mechanical load on motor.
3. Controller internal failure (internal regulator failure).
Solution:
1. Enter the InfoView Monitor - service info screens
SYMPTOM
Fan operates in 1
direction only
Fan and reverser
operate in 1 direction
only
Fan does not operate
in either direction
Reverser operates in
1 direction only
Reverser does not
operate in either
direction
Both fan and
reverser do not
operate in either
direction
Both fan and
reverser do not
operate in either
direction
A. Record and erase service history.
Start the combine, engage the threshing mechanism and operate fan speed and feeder reverser circuits
in both directions.
Record in which direction(s) the fan speed increase or decrease operates. Does feeder reverser engage?
Reload error history.
Check for the following fault codes: E0041-06, E0042-06, E0076-05 and E0077-05.
Use the table above to determine the location of the fault.
2. The cleaning fan adjustment motor is bound up. See the appropriate service manual chapter for repair.
A.
3. The fan operates in one direction only. Fault codes indicate a short to ground. Disconnect the fan adjustment
motor connector X090 .
A. Measure the resistance on connector X090 between pin A and pin B. The proper resistance range for the
coil is 1.0 - 5.0 ohms. If out of specification replace fan adjustment motor.
B. If the motor coil resistance is within specification continue with Step 3.
CROP PROCESSING - CLEANING Primary cleaning
FAULT CODES
E0041-06 E0042-06
X
X
NO FAULT CODE
E0076-05
X
X
X
X
X
2 4/7/2006
K.62.B / 198
E0077-05
Go to Step 2
Go to Step 3
X Go to Step 7
Go to Step 11
Go to Step 18
Go to Step 19
X Go to Step 20
X Go to Step 24
X Go to Step 31
X Go to Step 32
Go to Step 34