Operation Manual

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0DT829 15/10/2012
7. TROUBLESHOOTING
When working with electrical or electronic controls, make sure that the power source has been locked
out and tagged according to approved local electrical codes.
The following instructions are intended only for qualied personnel, authorized to operate under the
owners responsibility. Safety rules and local codes must be applied also when our instructions are not
specifying it in each single operation.
For repair or replacement only Ditec Entrematic original spare parts must be used.
DANGER
WARNING
COMMAND TROUBLE VERIFY

curtain position
The curtain and motor do
not move
• Mains power failure or fuses F1, F2, F3
• The stop is activated (led “Stop” of the keyboard ON)
• The motor is connected to wrong terminals and/or Dip-switch
is in wrong position (see page 8)
• The opening (A) and closing (C) limit switches are activated
(led 11 and 12 ON)
• Motor with thermal switch activated (led 11 and 12 ON)
• One of the power devices is faulty (control unit, motor, motor
cabling, etc.)
The motor turns in the
opposite direction
• Reverse the two phases of the mains power supply
Opening command at
closed curtain
The motor does not move • The opening command is not correctly connected or it is faulty
(led IN does not switch ON).
• Safety device activated (led “Stop” ashing on the keyboard
and led SA xed ON) with bridge SO closed.
• The opening limit switch (A) is activated
• Closure command always activated (led IN always ON).
Closure command at
opened curtain
The motor does not move • The closing command is not correctly connected or is faulty
(led IN does not switch ON).
• Safety device activated (led “Stop” ashing on the keyboard
and led SA xed ON).
• The closing limit switch (C) is activated (led 11 xed in ON).
• Opening command always activated (led IN always ON).
• Self-test of the safety device failed (led Stop on the keyboard
OFF and led SA ashing)
Activation of the stop
during a door cycle
The motor does not stop • The stop command is faulty or is not correctly connected (led
stop on the keyboard never in ON and led SA not ashing)
The motor stops with
delay
• The motor brake worn-out or faulty
Activation of one safety
device during closing
The motor movement is
not reversed
• The safety device is faulty or is not correctly connected (led
Stop on the keyboard OFF and led SA never ashing)
The motor movement
stops (the door doesn’t
open completely)
• Input 17 closed to 0 (led 17 OFF)
Door open with automatic
closure activated
The door does not close
automatically after closing
time TC
• The automatic closure enable signal has not been carried out
properly (connection 1-2)
• Opening command always activated (led IN always ON).
• Self-test of the safety device failed (led Stop on the keyboard
OFF and led SA ashing)
During operation The curtain doesn't stop
at the limitswitch
• The limit switch contact is short-circuited (led 11 or led 12
always OFF)
• A mechanical fault in the limit switch (led 11 or led 12 always OFF)
• The motor brake worn-out or faulty or brake (led 11 or led 12
always OFF)
The curtain doesn't
stop regularly at the
limitswitch
• Dip-switch 5 in OFF
• Fuse F5 fault
NB for inverter control unit 47E see also at page 37.
EN