BT RRE140 - State 6 - PWM Outputs from MCU; State 7 - FCU (Not Used); State 8 - FCU (Not Used); State 9 - GFU (Not Used)

7 – 8 Repair Manual RRE140/160/180/200/250 © BT
Troubleshooting
Service diagnostics menu
T-code Valid from serial number Date Publication No.
815, 816 6051502 2008-08-21 261828-040
State 6 – PWM outputs from MCU
State 6 displays 10 pulse modulated (PWM) output signals from
the MCU. The value is displayed in volts to 2 decimal places.
State 7 – FCU (not used)
State 8 – FCU (not used)
State 9 – GFU (not used)
State 10 – GFU (not used)
No
.
MCU signal Unit
1
PWM1 X131:26 V Main Lift
2
PWM2 X131:40 V Main lowering
3
PWM3 X131:13 V Reach movement, in
4
PWM4 X131:41 V Reach movement, out
5
DO17 X131:39 V Support arm brake, left
6
DO18 X131:12 V Support arm brake, right
ACH signal
7
PWM1 K1:10 A Free lift
8
PWM2 K1:2 A Free lowering
ACT signal
9
PWM1 K1:10 A Cabin tilt, up
10
PWM2 K1:2 A Cabin tilt, down