Manitowoc Published 11-06-15, Control # 040-13 3-21
2250 SERVICE/MAINTENANCE MANUAL ELECTRIC SYSTEM
89A3 E-22 Not Used
89A4 B-29 Boom Hoist Park Switch 12 volts Nominal I/O 3 (DI)
89B2 D-12 Swing Holding Brake On 12 volts Nominal I/O 3 (DI)
89B3 E-23 Not Used
89B4 B-19 Travel Park Switch 12 volts Nominal I/O 2 (DI)
89C2 D-13 Equalizer & Physical Boom Stop Limit Sw. 12 volts Nominal I/O 3 (DI)
89C3 E-24 Remote Rigging Winch (Current)
0 Volts Off; 12 Volts On
I/O 4 (DI)
89C4 B-30 Luffing Hoist Park Switch 12 volts Nominal I/O 3(DI)
89D1 B-11 Jacking Remote/MAX-ER Steering System 12 volts Nominal I/O 1 (DI)
89D3 E-13 Counterweight Up Limit Switch 12 volts Nominal I/O 4 (DI)
89D4 B-12 Jacking/Set Up Remote 12 volts Nominal I/O 1 (DI)
89E3 E-12 Not Used
89F1 B-32 Pendant Cylinder Limit Switch 12 volts Nominal I/O 3 (DI)
89F3 E-11 Not Used
89G3 E-10 Not Used
89J B-26 Display Scroll Up Switch 12 volts Nominal I/O 2 (DI)
89J1 B-22 Left Rear Drum Selector Switch 12 volts Nominal I/O 2 (DI)
89K B-33 Display Scroll Down Switch 12 volts Nominal I/O 3 (DI)
89K3 E-09
Counterweight Lower Switch
(MAX-ER 225/400)
12 volts Nominal I/O 2 (AI)
89L B-25 Limit Bypass Switch 12 volts Nominal I/O 2 (DI)
89L1 B-15 High Speed Travel Switch 12 volts Nominal I/O 2 (DI)
89L3 B-31 Front Drum Pawl In Switch (Past) 12 volts Nominal I/O 3 (DI)
89M Not Used I/O 2 (DI)
89M3 B-21 Right Drum Pawl In Switch (Past) 12 volts Nominal I/O 2 (DI)
89N B-13 Boom Hoist Pawl In Switch 12 volts Nominal I/O 1 (DI)
89N3 A-02 Counterweight Raise Sw. (MAX-ER 225/440) 12 volts Nominal CPU (AI)
89P D-10 Rated Capacity Indicator/Limiter Switch 12 volts Nominal I/O 3 (DI)
89P2 E-21 Not Used
89Q1 B-04 Minimum Bail Limit Switch Left Rear Drum 12 volts Nominal I/O 1 (DI)
89Q2 E-17 Boom Up Limit Switch - Ringer 12 volts Nominal I/O 4 (DI)
89Q3 E-17 Not Used
89R B-14 Boom Up Limit Switch 12 volts Nominal I/O 1 (DI)
89R1 B-05 Drum 3 Clutch/Brake Maximum Air Pressure 12 volts Nominal I/O 1 (DI)
89S B-08 Min. Bail Limit Switch Rear/Right Rear Drum 12 volts Nominal I/O 1 (DI)
89S1 B-16 Luffing Jib Minimum Angle Limit Switch 10 volts I/O 2 (DI)
89S2 B-24 Crane Mode Select Switch 12 volts Nominal I/O 2 (DI)
89T B-03 Minimum Bail Limit Switch Front Drum 12 volts Nominal I/O 1 (DI)
89T2 D-11 Crane Mode Confirm Switch 12 volts Nominal I/O 3 (DI)
89T3 D-08 Engine Oil Pressure Switch 12 volts Nominal I/O 3 (DI)
89U B-07 Drum 2 Clutch/Brake Maximum Air Pressure 12 volts Nominal I/O 1 (DI)
89U3 D-09 Engine Coolant Temperature Switch 12 volts Nominal I/O 3 (DI)
Wire Pin Description
Test Voltage
(DC unless otherwise specified)
Board
(Signal
Type)