11
ERROR
CODE
NAME DESCRIPTION POTENTIAL CAUSE TROUBLESHOOTING
E77 Ch4A short Short circuit on channel 4
[If T-splitter is used, short circuit
on 4A]
» Damage to motor cable
» Damage to cable exiting leg
(if applicable)
• Inspect motor cable for damage,
replace if damaged
• Inspect cable exiting leg (if
applicable), replace if damaged.
E78 Ch4B short Short circuit on channel 4
[If T-splitter is used, short circuit
on 4B]
» Damage to motor cable
» Damage to cable exiting leg
(if applicable)
• Inspect motor cable for damage,
replace if damaged
• Inspect cable exiting leg (if
applicable), replace if damaged.
E86 Master Connection to master lost OR
following messages are from
master
[Only used in multi-parallel
system]
» Poor cable connection to
master box
» If followed by another
error code, then codes
being communicated from
master box
• Check connection to master box,
check cable integrity
• If communicating other error
codes, see above
E87 Follower 1 Connection to 1st follower lost
OR following messages are
from 1st follower
[Only used in multi-parallel
system]
» Poor cable connection to
follower box
» If followed by another
error code, then codes
being communicated from
follower box
• Check connection to master box,
check cable integrity
• If communicating other error
codes, see above
E88 follower 2 Connection to 2nd follower lost
OR following messages are
from 2nd follower
[Only used in multi-parallel
system]
» Poor cable connection to
follower box
» If followed by another
error code, then codes
being communicated from
follower box
• Check connection to master box,
check cable integrity
• If communicating other error
codes, see above
E89 Follower 3 Connection to 3rd follower lost
OR following messages are
from 3rd follower
» Damage to motor cable
» Damage to cable exiting leg
(if applicable)
• Inspect motor cable for damage,
replace if damaged
• Inspect cable exiting leg (if
applicable), replace if damaged.
E93 DeskSensor 1 – Activation Detected trigger from LIN bus
safety limit switch, e.g. DS1
» Hit obstruction • Remove obstruction
E94 DeskSensor 1 – No longer
detected
LIN SLS unit (e.g. DS1)
no longer detected
» LIN SLS unit (e.g. DS1) or
cables are not connected
• Ensure DS1 unit and all cables
are correctly mounted.