Sensor Output Voltage Range - Combine Requirements - MacDon FM100 Installation Instructions Manual

4.3 Sensor Output Voltage Range – Combine Requirements
The auto header height control (AHHC) sensor output must be within a specific voltage range for each combine, or the
AHHC feature will not work properly.
Table 4.1 Combine Voltage Limits
Combine
™
AGCO IDEAL Series
Case IH 5088/6088/7088, 5130/6130/7130,
7010/8010, 7120/8120/9120,
7230/8230/9230, and 7240/8240/9240
Case IH 2588/2577
Challenger, Gleaner A, Massey Ferguson,
and IDEAL Series
CLAAS 500/600/700 Series
Gleaner R and S Series
John Deere 60, 70, S, and T Series
New Holland CR/CX - 5 V system
New Holland CR/CX - 10 V system
NOTE:
Some combine models do not support checking sensor output voltage from the cab (early Case 23/2588 series, CLAAS
500/600/700 Series). For these models, check output voltage manually. Refer to or
– Two-Sensor System, page
214143
TROUBLESHOOTING
Low Voltage Limit
17.
High Voltage Limit
4.5 V
0.5 V
0.5 V 4.5 V
2.8 V 7.2 V
0.5 V 4.5 V
0.5 V 4.5 V
0.5 V 4.5 V
0.5 V 4.5 V
0.7 V 4.3 V
2.8 V 7.2 V
24
Range (Difference
between High and
Low Limits)
2.5 V
2.5 V
4.0 V
2.5 V
2.5 V
2.5 V
2.5 V
2.5 V
4.1–4.4 V
4.1 Manually Checking Voltage Range
Revision F