ERROR
CODE
NAME
DESCRIPTION
POTENTIAL CAUSE
SOLUTION/TROUBLESHOOTING
E20
E21
E22
E23
Port/Channel
1, 2, 3, 4
type error
respectively
•
Port/Channel 1 is not same
type as when initialized
•
Port/Channel 2, 3, 4 are
not same type as when
initialized or not same type
as Port/Channel 1
Change in Lifting Column
type
•
Check Lifting Column type
•
Change Lifting Column
•
Initialize the Control Box
(see Common Procedures)
E24
E25
E26
E27
Port/Channel
1, 2, 3, 4 pulse
fail respectively
Port/Channel 1, 2, 3, 4
had too many pulse errors
respectively
•
Loose/faulty Low-Voltage
Cable
•
Hall sensor PCB inside
Lifting Column
•
Check Low-Voltage Cable connections
and integrity
•
Initialize the Control Box
(see Common Procedures)
•
Replace Lifting Column
E28
E29
E30
E31
Port/Channel
1, 2, 3, 4
overload up
respectively
Overload up occurred on
Port/Channel 1, 2, 3, 4
respectively
•
Hit obstruction
•
Leg is overloaded
•
Reached end stop (before
initialization at upper end-
stop occurs)
•
Remove obstruction
•
Remove load
•
Initialize the Control Box if necessary
(see Common Procedures)
E32
E33
E34
E35
Port/Channel
1, 2, 3, 4
overload down
respectively
Overload down occurred
on Port/Channel 1, 2, 3, 4
respectively
•
Reached end stop
•
Hit obstruction
•
Remove obstruction
•
Initialize the Control Box if necessary
(see Common Procedures)
E36
E37
E38
E39
Port/Channel
1, 2, 3, 4
anti collision
respectively
Anti collision triggered on
Port/Channel 1, 2, 3, 4
respectively
Hit obstruction
•
Remove obstruction
•
Initialize the Control Box if necessary
(see Common Procedures)
E40
E41
E42
E43
Port/Channel
1, 2, 3, 4 SLS
respectively
Safety limit switch activated
on Port/Channel 1, 2, 3, 4
respectively
Hit obstruc
tion
•
Remove obstruction
•
Initialize the Control Box if necessary
(see Common Procedures)
E44
E45
E46
E47
Port/Channel
1, 2, 3, 4
direction
respectively
Pulses counted wrong
direction in Port/Channel
1, 2, 3, 4 respectively
•
Motor poles are crossed
•
Hall sensor cables
crossed inside Lifting
Column
•
Check Low-Voltage Cable connections
and integrity
•
Initialize the Control Box
(see Common Procedures)
•
Replace Lifting Column
E48
Port/Channel 4
missing
Port/Channel 4 is detected
missing
Disconnectio
n
•
Check Low-Voltage Cable connections
and integrity
•
Change Low-Voltage Cable or Lifting Column
•
Initialize the Control Box
(see Common Procedures)
E49
Input error
Multiple Controllers
activated simultaneously
Multiple Controllers being
activated at the same time
•
Test Controllers one at a time, and then together
•
One Controller is likely faulty
SERIES 7 TABLE ERROR CODES
Error codes are only available with the 3-Preset Programmable with Digital Display Controller.
IMPORTANT NOTE:
This guide applies to models shipped prior to December 2015 only.
3/2016 © 2016 Steelcase Inc. All rights reserved. All specifications subject to change without notice.
Trademarks used herein are the property of Steelcase Inc. or of their respective owners.
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