2007.03.07Flow2 stairliftTab 06: Systematic fault finding
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Flow subsystems
3.3 The horizontal system
The horizontal system consists of electronics, motors and sensors. The following is a schematic
diagram of the horizontal system.
Fig. 3-3 Horizontal system
Guidelines for fault finding
The drive system is controlled and monitored by the software. Errors are indicated in the form of an
error code on the service board display. See Chapter 4 for the meanings of the error codes and
suggestions for resolving the fault.
Inclina-
tion 1
Inclina-
tion
2
Gyro
Main board
Sensor board
Main
Micro-
processor
Safety
Micro-
processor
IC level
Power
FETs
Horizontal
motor
Motor module
Batteries
Power module
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