7.3 Checking an actuator
Requirements:
• digital multimeter with resistance measurement
• Switch the electronics OFF on the remote.
• Remove the rear cover, as described in chapter 8.1.1.
• Take exact note of the positions of all cables and the sockets that they are connected to. Mark
the connectors and sockets or take a photograph with a digital camera.
Disconnect the motor plug (1) of the motor to be tested from the actuator module.
• Check the electrical resistance at the
plug (1) of the actuator.
The plug can have a different shape than
show in the illustration.
• If the resistance is close to infinity, the motor
is probably burnt out.
• If the resistance is below 1 Ω, the motor has
a short-circuit.
• The motor must be replaced in both cases.
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