Checking Microswitch - Invacare STORM Service Manual

16.7 Testing Microswitch
Testing Preparations
• Lift the seat and lock, if necessary.
• Remove splash protection.
• Fold rear light board upwards to uncover microswitch for
switching.
Testing Microswitch
• Remove the plug of the BUS cable from the socket board of the
12 V lighting module.

NOTE:
Press down plug lock as otherwise the plugs will be
damaged.

NOTE:
Information on the use of the multimeter
can be taken from the relevant User’s
Manual.
• Set the multimeter to continuity test.
• Measure on the contacts of the BUS plug while the switch is not
being activated. The measuring device must show continuity.
• Activate the switch and measure again on the contacts of the
BUS plug. The measuring device is not to show any continuity.
Malfunction
No continuity while switch
is not activated?
Continuity while switch is
activated?
Cause
Cable parted.
Microswitch defective.
Short Circuit in the
microswitch.
Microswitch, complete
Main Module and 12 V Lighting Module
BUS cable
Continuity Test on the Plug
Remedy
Replace microswitch
and cable.
Replace microswitch
and cable.
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