User Manual

Table Of Contents
Electric System LEXION 500 TIC
38b-8 Lex-e-38b 03/05
Description of function:
6/7
9th menu item
Fan speed (100%)
Cab fan (M7)
Press key (3) once.
The fan speed (100%) of the cab fan (M7) is activated.
Example: Test step 9 is displayed
The speed is displayed as a bar display.
If the cab fan does not start, please check the following:
1. Connector on the cab fan (below the roof cover).
2. Cab fan speed controller module (A7) below the roof cover. Slacken off
the cover screws and remove the cover.
3. Voltage on the cab fan motor. Target value: 11.5 – 14.5 V. The cab fan
speed controller module (A7) must be connected.
4. Check the cab fan motor mechanically. Abraded particles of carbon
brushes
5. Connector on the cab fan speed controller (A7)
6. Fuse (F33, 1.5A)
7. Check cable to the cab fan motor (M7) for short-circuit or break.
10th menu item
Automatic air conditioner
module (A6) outputs
Press key (3) once.
All outputs of the automatic air conditioner module (A6) are activated.
Example: Test step 10 is displayed
The speed is displayed as a bar display.
1. The heater solenoid coil (Y109) is switched on.
2. The compressor-type air conditioner electro-magnetic clutch solenoid
coil (Y32) is activated.
3. The cab fan motor (M7) is switched on and works at max. speed.