ThyssenKrupp Flow2 User Manual

2007.03.07Flow2 stairliftTab 06: Systematic fault finding
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5 Error code E51
According to the list of error codes, error code E51 means that the overspeed governor has tripped.
This can have various causes. It is therefore important to find out under what conditions the problem
occurred. Therefore ask the user about the conditions when the problem occurred:
- What was the position of the stairlift?
- Was the stairlift going upwards or downwards?
- Who was sitting on the stairlift?
- What exactly happened?
- Was there a shock or did the stairlift quietly come to a halt?
Using the answers an indication can be given of the cause.
Indication Possible problem Action
The stairlift has stopped at a
rail joint.
A bad rail section or something
protruding under the rail has
activated the emergency limit
switch.
See Section 5.1.
The stairlift is at the top, level
with an emergency end stop.
The stairlift has not recognised
all the pulses from the drive
motor and has gone past the
stop position. The emergency
end stop has tripped the
emergency end switch.
See Section 5.2.
The stairlift has stopped at a
random position and the user
has felt a violent shock.
The overspeed governer has
been activated.
See Section 5.3.
The stairlift has stopped at a
random position.
The overspeed governor
optocoupler or its cabling is
defective.
First check the connector on
the service board. Then
replace the optocoupler and/or
the cabling.

ThyssenKrupp Flow2 Specifications

General

Brand	ThyssenKrupp
Model	Flow2
Category	Stairlifts
Language	English